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Divya Sahu 3 years, 4 months ago

Hydrogen gas is produced when metal react with acid . If you want to test this gas so bring a burning candle in contact with hydrogen gas it burns with pop sound

3Thank You

Shivam Bhadauriya 3 years, 4 months ago

Hydrogen

Ayush Pandey 3 years, 4 months ago

Hydrogen

Ashish Yadav 3 years, 4 months ago

Hydrogen

4Thank You

ANSWER

What is meiosis???

Posted by Prabhroop Kaur 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Rishit Jindal 3 years, 4 months ago

Meiosis is a type of cell division which is also known as reductional division and this type of cell division only occurs in germ cells not in somatic cells. In this division the number of chromosomes get halved.

Ankit Sharma 3 years, 4 months ago

Mmmmm

ANSWER

What is Electric potential & Potential Difference?

Posted by Shlok Sahu 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Kunal Singh 3 years, 4 months ago

Electric potential is the work done per unit charge in order to bring the charge from infinity to a point in electric field while p.d is the potential developed while moving a charge from one point to another in the field itself.

ANSWER

Which hormone is fight and flight hormone

Posted by Roshan Kumar Jaiswar 3 years, 4 months ago

CBSE > Class 10 > Science

4 answers

Rishit Jindal 3 years, 4 months ago

Adrenaline hormone

Subhi Gupta 3 years, 4 months ago

Adrenaline

Shlok Sahu 3 years, 4 months ago

Adrenaline hormone which is secreted by Adrenal gland. It speeds up heart rate, breathing , raises blood pressure & allow more glucose to go into the blood to give us a lot of energy quickly to fight and flight.

Roshan Kumar Jaiswar 3 years, 4 months ago

Adrenal gland

ANSWER

What is by focal

Posted by Vivek Manwar 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Asth A 3 years, 4 months ago

Both type of lens concave and convex

Masuma Syeda 3 years, 4 months ago

Bifocal is a type of lens where both concave lens and convex lens are used. They are used in the condition of presbyopia

ANSWER

What is the function of pupil in eyes

Posted by Pratiksha Yadav 3 years, 4 months ago

CBSE > Class 10 > Science

5 answers

Faisal Khan 3 years, 4 months ago

The pupil of the eye is a portal which admits and regulates the flow of light to the retina.

Rishit Jindal 3 years, 4 months ago

It is get a diaphragm through with light enters into our eyes and fall on the lens

Subhi Gupta 3 years, 4 months ago

Control amount of light by contraction and relaxation

Prabhroop Kaur 3 years, 4 months ago

It is a hole in our eye , through which required light enter into our eye.

Pratiksha Yadav 3 years, 4 months ago

It controls the amount of light entering the eyes

ANSWER

Does sun have more centripetal force or earth have??

Posted by Kavya Parashar 3 years, 4 months ago

CBSE > Class 10 > Science

3 answers

Faisal Khan 3 years, 4 months ago

No. In describing the Sun-Earth system, there is no reason to ever mention either centripetal or centrifugal force.

Kavya Parashar 3 years, 4 months ago

But how earth rotate around the sun in that way satellite also rotates around sun🤔

Ayush Kumar 3 years, 4 months ago

No, Equal to centrifugal force

ANSWER

Is urine a good conductor of electricity??

Posted by Kavya Parashar 3 years, 4 months ago

CBSE > Class 10 > Science

4 answers

Faisal Khan 3 years, 4 months ago

These cells traditionally use platinum as a catalyst, which is extremely expensive, but according to research published in Nature, carbonised urine is a good conductor of electricity

Faisal Khan 3 years, 4 months ago

Urine can be considered as an electrolyte, with an electrical conductivity (EC) ranging from ∼1 to 34 mS with a mean value of 22 mS [28] .

Rishit Jindal 3 years, 4 months ago

Yes itnis a good conductor due the presence of salts or urea in it

Shivam Kumar 3 years, 4 months ago

Yes

ANSWER

what are the different stages ameoba goes through during reproduction

Posted by Jeshna J 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Manika Sharma 3 years, 4 months ago

There are five stage. First is the nucleus is lengths and second is the nucleus is divide and after that the cytoplasm is lengths and then divide and form two new amoeba which is called daughter amoeba.

ANSWER

Sun seems more reddish during morning and in evening

Posted by Sarika Maurya 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Subhi Gupta 3 years, 4 months ago

Same case is applied for sunset

ANSWER

Why the time difference between actual sunrise and apparent sunrise is about 2 minutes?

Posted by Sarika Maurya 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Subhi Gupta 3 years, 4 months ago

Because sun is near the horizon and due to refraction in horizon we can see it before the actual sunrise i.e, in its apparent position and 2 mins earlier

ANSWER

Sunflower movement??

Posted by Sarika Maurya 3 years, 4 months ago

CBSE > Class 10 > Science

3 answers

Rishit Jindal 3 years, 4 months ago

Phototropism

Prabhroop Kaur 3 years, 4 months ago

Respond to the stimulus ( change in environment) of sunlight - Phototropism

3Thank You

Surjeet Yadav 3 years, 4 months ago

Phototropism

3Thank You

ANSWER

What is Hormones??

Posted by Sarika Maurya 3 years, 4 months ago

CBSE > Class 10 > Science

3 answers

Rishit Jindal 3 years, 4 months ago

Chemical messengers of our body with plays a vital role in bringing control and coordination in an organism.

Iron Man 3 years, 4 months ago

Hormones are chemical that play a vital role in growth, development, metabolism and reproduction.

Ayush Kumar 3 years, 4 months ago

It is a chemical messanger

ANSWER

Define Villi in detail

Posted by Sarika Maurya 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Manika Sharma 3 years, 4 months ago

Villi is present in inner surface of small intestine. It is also called finger like projection they help in absorbing digested food and supply to whole body cells with help of blood.

Anurag Shahi 3 years, 4 months ago

It is finger like projection It absorbs much food It is present in small intestine It supplies absorbed food to whole body from blood to every single cell to repair old tissue and make new tissue

ANSWER

What is Dormancy??

Posted by Sarika Maurya 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Ashu Yadav 3 years, 4 months ago

It is an inactive stage of plant Mainly dormancy is found in buds and seeds.

ANSWER

Why only Blue light scattered most instid of violet and indigo

Posted by Bhumika Raut 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Prabhroop Kaur 3 years, 4 months ago

Wrong question sis

Lipika Bishwas 3 years, 4 months ago

Blue light scattered most instead of violet and indigo because the wavelength of violet and indigo is shorter instead of blue

ANSWER

Do benzene is homologous series 9f alkene??

Posted by Minakshi Singh 3 years, 4 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Electron dot structure of water molecules

Posted by Aditi Rawat 3 years, 4 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Write the nature of magnetic field produced around current carrying solenoid write any two methods to increase the magnetic field around it

Posted by Santhosh N 3 years, 4 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Experiment of stomata

Posted by Yashpreet Singh 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Prabhroop Kaur 3 years, 4 months ago

Book me dekh lo....

ANSWER

Identify the compound that precipitate when potassium iodide solution is added to a solution of lead (2) nitrate

Posted by Dhruv Gupta 3 years, 4 months ago

CBSE > Class 10 > Science

3 answers

Rishit Jindal 3 years, 4 months ago

PbI2 ( lead iodide ) will be formed as a precipitate

Lipika Bishwas 3 years, 4 months ago

Lead iodide precipitate will form

Mo Aqdas Aqdas 3 years, 4 months ago

Potassium nitrate and lead iodide precipitate will form

ANSWER

Name the iron salt that on heating changes to black and give odour of sulphur?

Posted by Dhruv Gupta 3 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Ashu Yadav 3 years, 4 months ago

I am not sure about it

Ashu Yadav 3 years, 4 months ago

May be FeSO4

ANSWER

Who discovered the Ohm low???

Posted by Utkarsh Thakur 3 years, 4 months ago

CBSE > Class 10 > Science

5 answers

Rishit Jindal 3 years, 4 months ago

George Simon Ohm

Lipika Bishwas 3 years, 4 months ago

George simon ohm

Mo Aqdas Aqdas 3 years, 4 months ago

Georg Simon ohm

Naveen Rao 3 years, 4 months ago

Georg Simon Ohm

Shubham Kumar 3 years, 4 months ago

Ohm

ANSWER

CH3-cH2-CH=CH2

Posted by Ady Yadav 3 years, 4 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

You have three lens L1,L2,L3 of power +10D,+5D,-10D respectively state the nature and focal lenyof each lenses Explain which of the three lenses will form a virtual and magnified image of an object placed at 15cm from the lens.Draw a ray diagram to support your answer

Posted by Priyanshu Roy 3 years, 4 months ago

CBSE > Class 10 > Science

3 answers

Lipika Bishwas 3 years, 4 months ago

-10D will form a virtual and magnified

Lipika Bishwas 3 years, 4 months ago

f=+5D

Lipika Bishwas 3 years, 4 months ago

Nature: converging

ANSWER

Life process all questions answered

Posted by Prince Chauhan 3 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Prabhroop Kaur 3 years, 4 months ago

Google me search Karo bro

ANSWER

Difference between Acid s base

Posted by Kunal Singh 3 years, 4 months ago

CBSE > Class 10 > Science

4 answers

Prabhroop Kaur 3 years, 4 months ago

ACID sour in taste. Change blue litmus paper in blue. Release h+. pH<7. E.g. HCL BASES bitter in taste. Soapy in touch. Change red litmus paper into blue. pH>7or pH value b/w 7 to 14 E g NAOH,

Mo Aqdas Aqdas 3 years, 4 months ago

ACID 1.Acid sour in taste 2.Acid turn blue litmus into red 3.Acid pass electricity 4.Acid react with metal form salt and hydrogen gas BASE 1.Base bitter in taste 2.Base turn red litmus into blue 3.Base react with metal form salt and hydrogen gas

Sanchita Jain 3 years, 4 months ago

1.Acids are sour in taste. Base are bitter in taste. 2.Acid turns blue litmus to red. Base turns red litmus to blue. 3.Acid produce H+ions when dissolve in water. Base produce OH-ions when dissolve in water. 4. Acid ph value ranges from 1 to 7. Base pH value ranges from 7 to 14. 5. Examples of Acids -> HCl, H2SO4, Acetic acid, lactic acid,etc. Examples of base -> NaOH, KOH,etc.

Rashi Singh 3 years, 4 months ago

(1)Acid are sour in taste whereas base are bitter in taste. (2) Acid turns blue litmus to red whereas base turns red litmus to blue.