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why are organic compounds presents in such a large nu.ber

Posted by Harsh Bhardwaj 4 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Chapter 1 text answer

Posted by Ariyan Baruah 4 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

What is a chemical reaction??

Posted by Amrita Kumari 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Shruti Mishra 4 years, 3 months ago

A chemical reaction happens when one or more chemicals are changed into to one or more other chemicals . OR The transformation of chemical substance into to a new chemical substance by making and breaking of bonds between different atoms is known as chemical reaction.

Akash Gupta 4 years, 3 months ago

A new permanent reaction in which a particular substance is totally changed

Vanshika Singh 4 years, 3 months ago

Chemical reaction is a reaction in which two or more substance react and produce a new product with new properties.

ANSWER

When two

Posted by Harshit Rai 4 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Plot the potential difference and current graph for a semi-conductor

Posted by Zunaira Khan 4 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Class 10 assertion and reason questions of ch light reflection. Refraction

Posted by Yadav Yadav 4 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

what is decity

Posted by Shudhir Kumar 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Aniket Chauhan 4 years, 3 months ago

If yes so density is the mass per unit volume is called density. Higher density means more mass is confined in lesser volume.

Aniket Chauhan 4 years, 3 months ago

Are you asking for density

Hare Ram 4 years, 3 months ago

What is euclid division lemma and its formula

ANSWER

What do you mean by object and image distances? Geometrically prove that u =v

Posted by Shivam Swastik Ray 4 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

All formulae of Ch electricity..

Posted by Aayushi Nagar 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Laxmi Narwariya 4 years, 3 months ago

All formula are--(Q=charge,I= current,t=seconds,R=Resistance,V=Voltage or potential difference,) 1.Q=ne (where n are no of electrons and e is charge on electron i.e 1.6×10^-¹⁹ Columb) 2.I=Q/t 3.V=Work done /charge 6.V=IR 7.R=restivity×length/Area of cross section 8.Resistors in series=R1+R2+R3 --------Rn 9.1/Resistors in parallel=1/R1+1/R2+1/R3 -------1/Rn. 10.Heat PRODUCED=I²RT 11.Power has 4 formulas a) power=Workdone/time b)power=Voltage×Current c)power=V²/R d)power=I²R. These are the formulas in electricity..

Riya Tiwari 4 years, 3 months ago

Thanks

Ritik Varshney 4 years, 3 months ago

All formula are--(Q=charge,I= current,t=seconds,R=Resistance,V=Voltage or potential difference,) 1.Q=ne (where n are no of electrons and e is charge on electron i.e 1.6×10^-¹⁹ Columb) 2.I=Q/t 3.V=Work done /charge 6.V=IR 7.R=restivity×length/Area of cross section 8.Resistors in series=R1+R2+R3 --------Rn 9.1/Resistors in parallel=1/R1+1/R2+1/R3 -------1/Rn. 10.Heat PRODUCED=I²RT 11.Power has 4 formulas a) power=Workdone/time b)power=Voltage×Current c)power=V²/R d)power=I²R. These are the formulas in electricity..

ANSWER

During respiration why doesn't inhaled air enters into the food pipe

Posted by Shivam Swastik Ray 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Shruti Mishra 4 years, 3 months ago

Due to epiglottis...

Aman Kumar Bhagat Bhagat 4 years, 3 months ago

Due to epiglottis air don't enter in oesophagus

Samruddhi Fukat 4 years, 3 months ago

There is small tissue called epiglottis, which prevents the inhaled air from passing through food pipe (oesophagus) and the food from passing through the respiratory tract.

ANSWER

Do you observe any change in the colur of ferrous sulphate crystals when they are heated in the boiling tube over the flame of a bruner or spirit lamp?

Posted by Pallavi Daroch 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Ritik Varshney 4 years, 3 months ago

Yes they changed into Blue colour f

ANSWER

Which type of hydrocarbon gives soothy flame after burning

Posted by Prajwal B R 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Pawan Kaur 4 years, 3 months ago

Unsaturated hydrocarbons like ethyne, also known as acetylene,burn to produce a yellow , sooty flame due to incomplete combustion in air. Hope it is helpful for you??

ANSWER

State ohm's law. How can it be verified?

Posted by ??Mr_Siddhant?? . 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Adithyan M.S 4 years, 3 months ago

V=I R

ANSWER

Meaning of Life's process

Posted by Ankita Raj 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Dr.N.Abinayasivamala N 4 years, 3 months ago

Life process are those processes which are essential for life and helps in maintenance of body

Ashu Verma 4 years, 3 months ago

Life processes are the processes which keeps an organism alive (that why the word life is added in life processes) and keep there body in living state by various methods like maintenance/ homeostasis etc.

Roshani Pal 4 years, 3 months ago

Life process are those processes which are essential for life and helps in maintenance of body

ANSWER

Write the excretory organs in different animals

Posted by Gagana Shree 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Jasleen Gill 4 years, 3 months ago

*The excretory system of Human beings consists of the following parts : (1). Kidneys. (2). Ureter. (3). Urinary Bladder. (4). Urethra. (5). Urinary opening. * The main excretory part in Earthworm is Nephridium........ :)

ANSWER

Easssy writing save our environment

Posted by Mofida Khatun 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Dhruv Kaushik 4 years, 3 months ago

https://docs.google.com/forms/d/e/1FAIpQLSfP6jbH1KeqH5RDp-GawwwHdT3iSxrMukz2sFhqW7wmxkJyNA/viewform?usp=sf_link

ANSWER

What is mocua

Posted by V A N S H 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

??Mr_Siddhant?? . 4 years, 3 months ago

Your question is wrong

ANSWER

Shilpa went to buy sweets from the market.She asked the shopkeeper to taste the sweets before she gave order to buy them. Suddenly she suffered from severe toothache on tasting the sweets. She asked the shopkeeper whether there was a dentist nearby. The shopkeeper said that there was no qualified dentist nearby but a wayside quack was available nearby who attended to the tooth problems of commoners. Shilpa had no option but to visit him. The quack took a small mirror and inspected the teeth and declared that an aching tooth had to be removed. Shilpa said no for removal and just requested him to apply clove oil on the aching tooth. i. What is the type of mirror used by him? How did he hold it? ii. What do you think about Shilpa’s action?

Posted by Smart & Quick Learning 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Samruddhi Fukat 4 years, 3 months ago

i. Concave mirror is used.

ANSWER

What is gravitational force

Posted by Nikesh Pal 4 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Satyam Kumar 4 years, 3 months ago

the force of attraction between two particles or object is known as gravitational force

Dhruv Kaushik 4 years, 3 months ago

https://docs.google.com/forms/d/e/1FAIpQLSfP6jbH1KeqH5RDp-GawwwHdT3iSxrMukz2sFhqW7wmxkJyNA/viewform?usp=sf_link

Aham Kumar 4 years, 3 months ago

Sorry it's pull in the place of push

Aham Kumar 4 years, 3 months ago

A force which push a object thrown in upward direction to the earth surface is known as gravitational force

ANSWER

Why ferric oxide is sometimes to be called as hydrated ferric oxide

Posted by Priya Yadav 4 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Prajwal B R 4 years, 3 months ago

Because ferric oxide contain water molecules so ferric oxide is sometimes to be called as hydrated ferric oxide.

Ankit Kumy 4 years, 3 months ago

Because ferric oxide contain water molecules

ANSWER

What do you mean by endothermic and exothermic reactions? Explain with examples

Posted by Pari Singh 4 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Sasi Rekha 4 years, 3 months ago

EXOTHERMIC REACTIONS : The chemical reactions that release heat energy are called exothermic reactions. ENDOTHERMIC REACTIONS : The chemical reactions in which heat energy is absorbed are called endothermic reactions.

Muskan Roy 4 years, 3 months ago

Exothermic Reaction - An exothermic process releases heat, causing the temperature of the immediate surroundings to rise. An endothermic process absorbs heat and cools the surroundings.”

ANSWER

In a chemical reaction lead sulphate and sodium nitrate are produced .Which of the following can be a reactor?

Posted by Bhawna Garg 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Satyam Kumar 4 years, 3 months ago

lead nitrate and sodium sulphate and the correct word is reactants not reactors

ANSWER

colour of water

Posted by Sunil Wajve 4 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Samruddhi Fukat 4 years, 3 months ago

It is actually colourless. But the sea water appears to be blue because of the scattering of blue light in the sky. And its reflection on water.

Saksham Bujotiya Meena 4 years, 3 months ago

colourless

Sasi Rekha 4 years, 3 months ago

It has no colour

Pragna. S Sumitha 4 years, 3 months ago

It is transparent.

Jasleen Gill 4 years, 3 months ago

It is transparent.

ANSWER

Why the color of lymph is yellow?

Posted by Vaishnavi Yerpude? 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Rupanjot Kaur 4 years, 3 months ago

This tissue fluid after losing oxygen and other nutrients are directed to the specialized cells called lymph vessels. Hence the improved tissue fluid flows through the lymph vessels and lymph nodes in the clear yellow lymph.

ANSWER

Case study of ch 1

Posted by Sñéhà 10Ç 10 Sneha. 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Dhruv Kaushik 4 years, 3 months ago

https://docs.google.com/forms/d/e/1FAIpQLSfP6jbH1KeqH5RDp-GawwwHdT3iSxrMukz2sFhqW7wmxkJyNA/viewform?usp=sf_link

ANSWER

What is resistance

Posted by Ujjwal Singh 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Trusha Ramgirwar 4 years, 3 months ago

The property of material which resist the flow of electric current through the conductor is known as resistance.Its SI unit is ohm denoted by the symbol omega

Subham Dutta 4 years, 3 months ago

A ratio of potential difference between the ends of a conductor and the current flowing through it a constant quantity called resistance. The SI unit of resistance is ohm which is denoted as the symbol omega.

Dikshit Gupta 4 years, 3 months ago

It is the hindrance offered a conductor to the flowing electric current.

ANSWER

Which planet is nearest to the sun

Posted by Hejaz Hejaz Aslam 4 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Akshat Holland Minettee 4 years, 3 months ago

Mercury is the planet which is closest to the Earth

Samyuktha Thyagarajan Iyer 4 years, 3 months ago

Mercury

Anmol Preet 4 years, 3 months ago

Mercury

Manjeet Kumar 4 years, 3 months ago

Mercury

Hejaz Hejaz Aslam 4 years, 3 months ago

Mercury

ANSWER

What does slope of a V-I curve from ohm’s law give? What does it signify?

Posted by Shreya Mittal 4 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Samyuktha Thyagarajan Iyer 4 years, 3 months ago

Resistance is given by the slope of v-i graph . It signifies that r proportional to v and r is inversely proportional to i

Harshit Pandey 4 years, 3 months ago

Insta

ANSWER

Chmical eqution

Posted by Priyanshu Gautam Ji 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Laxmi Narwariya 4 years, 3 months ago

It is an equation formed by using the symbols and state of element or compounds. It should always be balanced.

Dikshit Gupta 4 years, 3 months ago

It is an equation formed by using the symbols and state of element or compounds. It should always be balanced.

Samyuktha Thyagarajan Iyer 4 years, 3 months ago

Chemical equation is the writtern form of a chemical reaction

ANSWER

How the breakdown of glucose by various pathways occur? Show the schemetic representation.

Posted by Sungjemmongba Longkumer 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Priyanshu Gautam Ji 4 years, 3 months ago

Dwon

Priyanshu Gautam Ji 4 years, 3 months ago

Math

Sungjemmongba Longkumer 4 years, 3 months ago

its option a

ANSWER

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