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Compound having same molecular formula but different structure is called isomer.and the phenomena is called isomeris. The physical and chemical property of isomerism are different.

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What are differences between respiration and digestion?

Posted by Priyanshu Singh 6 years, 3 months ago

CBSE > Class 10 > Science

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Sunita takes a mirror which is depressed at the centre and mounts it on a mirror stand. An erect and enlarged image of her face is formed. She places the mirror on a stand along a meter scale at 15 cm mark. In front of this mirror, she mounts a white screen and moves it back and forth along the meter scale till a sharp, well-defined inverted image of a distant tree is formed on the screen at 35 cm mark. (i) Name the mirror and find its focal length. (ii) Why does Sunita get sharp image of the distant building at 35 cm mark?

Posted by Sahil Raj 6 years, 3 months ago

CBSE > Class 10 > Science

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10 IUPAC name with common name

Posted by Ranjeeb Jha 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Arihant Jain 6 years, 3 months ago

Dec

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List two function of pancreas

Posted by Mohit Gujjar 6 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Manya Shukla 6 years, 3 months ago

It secrete pancreatic juice by pancreatic gland .trypsin ,lipase ,amylase It also screte two harmons insuline,glucose

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Arpit Maurya 6 years, 3 months ago

It secrete two hormones namely insulin and glucagon It secrete enzyme for rapid digestion

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Aadya Singh ? 6 years, 3 months ago

1) It secretes pancreatic enzymes which help in digestion. 2) It secrets insulin hormone which regulates blood sugar.

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Abhinav ? 6 years, 3 months ago

And second function is to regulate blood sugar, secreting insulin.

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Abhinav ? 6 years, 3 months ago

Secretes pancreatic juice in which enzyme amlase brakes down the starch, trypsin digests proteins and lipase breaks down emulisfied fats.

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Are questions from the information given in highlighted boxes in class 10 ncert is going to come or not

Posted by Kirti Patwardhan 6 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Rahul Mehra 6 years, 3 months ago

Yes come ?

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ℜøれÎt Nair 6 years, 3 months ago

Cbse guide app

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Why bio gas is good resources

Posted by Gaurav Bisht 6 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Prmod Singh 6 years, 3 months ago

They are pollution free

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Riya Rathore 6 years, 3 months ago

It give fertile to land and pollution free andin this we use waste ,manureetc

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Wangdul Lachenpa 6 years, 3 months ago

It is pollution free

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Deep Singh 6 years, 3 months ago

Because It is cheap and eco friendly

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Arpit Maurya 6 years, 3 months ago

It is in large amount in our houses. It is eco friendly

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What is myopia ? What are the causes of myopia?

Posted by ❇️ Suhana Sharma ❇️ 6 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Ankesh ..?? Ready To My First Fly 6 years, 3 months ago

I hope it will help u...

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Ankesh ..?? Ready To My First Fly 6 years, 3 months ago

Myopia is that defectbof vision due to which a person can't see the distance object clearly but he/she can see the nearby object clearly.........CAUSE OF MYOPIA ........1..Due to excessive curvature of eye lens.......2..Due to eye ball be too long

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Arpit Maurya 6 years, 3 months ago

When person can not see the distant objects clearly is called myopia. Elongation of eye ball & Increase in focal length

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Yogita Ingle 6 years, 3 months ago

Myopia is the defect of the eye vision due to which a person can see the near by objects clearly but cannot see the far objects so distinctly.
Causes of myopia: Myopia is caused:—due to the elongation of the eyeball.—due to decrease in the focal length of the eye lens.
Myopia can be corrected by using a concave lens of suitable focal length in the spectacles of such a person.

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Lucifer ? Morningstar? 6 years, 3 months ago

Myopia is a type of eye dieases.the person suffering from myopia can't see distinct object clearly. It can be correct by using cocave lens.a

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What is isomers?we cannot have isomers of first three members of alkane series." Give reason to justify this statement. Draw the structures of two isomers of pentane,C5H12.

Posted by Guddu Sharma 6 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Deep Singh 6 years, 3 months ago

CH_3-CH_2-CH_2-CH_2-CH_3

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Deep Singh 6 years, 3 months ago

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Deep Singh 6 years, 3 months ago

Organic Compound having similar molecular formula but different structures. The first three members of Alkane series have no isomers because they contain only one, two or three carbon atoms respectively.

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What is live wire

Posted by Banita Mishra 6 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Riya Rathore 6 years, 3 months ago

It is red in colour

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Bhavye Thakkar 6 years, 3 months ago

Having pd at 220-300V

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Aviral Goyal 6 years, 3 months ago

Having p.d. of 220V

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How is bleaching powder obtained from chlorine

Posted by Sudeep Mishra 6 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Manya Shukla 6 years, 3 months ago

Ca(OH)2 + Cl2 ---- CaOCl2 +H2O

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Arpit Maurya 6 years, 3 months ago

When we pass chlorine gas on calcium oxide then bleaching powder os formed

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Yogita Ingle 6 years, 3 months ago

Preparation of Bleaching Power : Chlorine gas is produced during electrolysis of aqueous sodium chloride. This chlorine gas is used for the manufacture of bleaching powder. Bleaching powder is produced by the action of a chlorine on slaked lime.

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What do you mean by milk of magnesia write its formula also

Posted by Dhruv Kakkar 6 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Rani Mishra ??? 6 years, 3 months ago

Mg(OH)2

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Bhavye Thakkar 6 years, 3 months ago

Mgo

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Yogita Ingle 6 years, 3 months ago

Magnesium hydroxide is non-toxic and by diluting it, a white milky suspension is formed, known as “milk of magnesia” which is used as an antacid. Apart from that, magnesium hydroxide is also used as an antiperspirant, laxative, fire retardant, to treat sores, etc.
The chemical formula of milk of magnesia is Mg (OH) ₂ which is chemically known as Magnesium hydroxide.

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Sulagna Chakraborty 6 years, 3 months ago

Mgo

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What is ozone layer and its importance

Posted by Prakhar Doshi 6 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Arpit Maurya 6 years, 3 months ago

Ozone layer is O3 It protects us from U.V.radiations

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Dhruv Kakkar 6 years, 3 months ago

ozone layer is a form of oxygen which formula is O3 IT act as an shield and protect our environment IT act as umbrella and found in the upper layer of the earth crust it protect us from the UV rays which can cause skin cancer cataract and many more diseases nowadays it can be deployed due to the CFC which can be released by the fridge ozone layer plays an important role in our life now you and make it compulsory for the fridge company to make the free CFC fridges

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How to stop ganaga water polluted

Posted by Kamal Singh 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

?King ? 6 years, 3 months ago

By anti-pollution measures

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Write the steps of nomenclature of carbon

Posted by Danish Akram 6 years, 3 months ago

CBSE > Class 10 > Science

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Write the formula and then balance following question Ferrous sulfate +sodium hydroxide =ferrous hydroxide +sodium sulphate

Posted by Swapnil Bhujadi 6 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Khusi Aggarwal 6 years, 3 months ago

FeSO4 +2NAOH ------------> FeOH +Na2SO4

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Aadya Singh ? 6 years, 3 months ago

FeSO4 + 2NaOH ---------------> Fe(OH)2 + Na2SO4.

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What is the use of oxidation in our daily life

Posted by Kittu Bharti 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 6 years, 3 months ago

Oxidation: The reaction which involves addition of oxygen (or) removal hydrogen or increase in the oxidation state of central atom is called oxidation reaction.
Ex:
(i)            Formation of rust on the Metal surface.
(ii)           Burning of Fuels.
(iii)          Burning of Carbon.
(iv)          Burning of Hydrocarbons.
(v)           House-hold aluminum utensils over period of time undergoes oxidation process.
(vi)          Digestion of food.
(vii)    Formation of water from Hydrogen and Oxygen.

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Send questions

Posted by Rubanathan Ruba 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Rani Mishra ??? 6 years, 3 months ago

Which chapter??

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Six uses of forests

Posted by Kamal Singh 6 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Yogita Ingle 6 years, 3 months ago

I. Forests maintain environmental stability, ecological balance for the existence of all life forms.

II. They provide timber and fuel wood.

III. Soft wood is used in furniture, packages, and also other building materials.

IV. Pulp is made from soft wood and is used in paper-making.

V. Forests also provide us lac, cane, resin, charcoal, fire-wood, gums, medicinal herbs, fodder and grass.

VI. Forest provide many things to meet our food requirements like wild fruits, nuts, berries etc. Many tribes are dependent on gathering of these products in forests.

VII. Forests are the sources of timber for house-building, furniture making, ship-building etc.

VIII. They modify climatic conditions and bring better rainfall in the area.

IX. They reduce wind force and reduce air temperature during summer which have a positive effect on the overall environment.

X. They add to the forest floor large quantities of leaves, twigs and branches, which at decomposition form humus. This increases the fertility of soil.

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Kittu Bharti 6 years, 3 months ago

1). Soil improvments .......... 2) . soil eroisn check.......... 3) . forest clean water......... 4) . prevent soil eroisn ........ 5) . it is alsoo used for our livelihood 6) . it is also used in making factories , buildings , etc

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Kittu Bharti 6 years, 3 months ago

Soil improvements.........

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What is redox reactions

Posted by Aryan Mathur 6 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Khusi Aggarwal 6 years, 3 months ago

Redox reaction is a type of reaction in which removal of oxygen or addition of hydrogen or gain of electron takes place

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Arpit Maurya 6 years, 3 months ago

When oxidation and reduction reaction takes place in same chemical reaction is called tedox reaction

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Deep Singh 6 years, 3 months ago

*redox k place pr reduction reaction

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Deep Singh 6 years, 3 months ago

The reaction which involves both oxidation and redox reaction is known as redox reaction

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Aadya Singh ? 6 years, 3 months ago

The reaction in which oxidation and reduction both takes place simultaneously is called redox reaction.

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What do you mean by resonance

Posted by L○V€R ? B●I ? 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 6 years, 3 months ago

When the frequency of an externally applied periodic force on a body is equal to the natural frequency of the body, the body readily begins to vibrate or free o vibrate with an increased amplitude. This phenomenon is known as resonance.

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Advantage of reproduction by spore formation

Posted by Anita Kumari 6 years, 3 months ago

CBSE > Class 10 > Science

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Is practical question s also coming

Posted by Akshay Singh 6 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Prmod Singh 6 years, 3 months ago

Yes

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Khusi Aggarwal 6 years, 3 months ago

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Rani Mishra ??? 6 years, 3 months ago

Yes they are coming in upcoming board exam

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Part which secreat hormone as well as digestive juice

Posted by Anita Kumari 6 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Khusi Aggarwal 6 years, 3 months ago

Pancreas

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Satyanarayana Degala 6 years, 3 months ago

Pancrease

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Ayush Gaur 6 years, 3 months ago

Pancreas, Since it secreses pancreatic juice (digestive juice) and insulin(hormone).

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Arpit Maurya 6 years, 3 months ago

Pancreas

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What is mean by chloroform?

Posted by Kartik Raj 6 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Yash Chaudhary 6 years, 3 months ago

It is a compound of a carbon

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L○V€R ? B●I ? 6 years, 3 months ago

Trichloromethane CHCL.3 and also known as methylamine trichloride

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Mohd. Shahid 6 years, 3 months ago

Chloroform is a compound of carbon

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When is the force experienced by a current carrying conductor place in a magnetic field is largest

Posted by Jiya Bhardwaj 6 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Khusi Aggarwal 6 years, 3 months ago

When it is kept perpendicular to the magnetic field lines

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Ayush Gaur 6 years, 3 months ago

At poles

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Aadya Singh ? 6 years, 3 months ago

The force on current carrying wire is maximum only when the wire is perpendicular to the direction of magnetic field.

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Akanksha Kumari? 6 years, 3 months ago

When the direction of force is perpendicular to the direction of current and magnetic field.

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Sahil ??? 6 years, 3 months ago

When the conductor is placed nearer to the magnet

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Answer me If I become a forest officer what would I do???

Posted by Shamiullah Mohammad 6 years, 3 months ago

CBSE > Class 10 > Science

3 answers

?King ? 6 years, 3 months ago

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?King ? 6 years, 3 months ago

You should strictly prohibit the cutting of trees, you should encourage people to plant more trees, you should spread awareness of trees, you should also tell everyone the importance of trees...e.t.c.

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Aditya Goarsia 6 years, 3 months ago

Good question

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Explain the factor on which the resistance of a material depends?

Posted by Priyanshu Singh 6 years, 3 months ago

CBSE > Class 10 > Science