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Subject: Science, asked on 23/9/17

what is wieghtlessnes

Subject: Science, asked on 28/3/17

An empty coke can deform its shape on heating . give reasons .

Subject: Science, asked on 28/3/17

you can smell the incense stick lit in the other room but cannot smell the cold drink placed on dining room. why ?

Subject: Science, asked on 26/3/17

We can place our hand inside water and move it freely , but cannot do it through wall. give reason.

Subject: Science, asked on 24/12/16

write two examples for soluble impurities
 

Subject: Science, asked on 17/3/16

petrol can be compressed and formed into what

Subject: Science, asked on 6/1/21

How does rain water get impure ????

Subject: Science, asked on 6/12/20

Write a short note on removing soluble impurities
 Describe evaporation and distillation?

Subject: Science, asked on 31/10/20

Rama added a piece of rock(gravel)in the boiling water.What will happen to the piee of rock(gravel)after 3 hrs?

Subject: Science, asked on 26/10/20

At night ,a balloon was full of air and was able to float ,but , at morning the balloon got small and had less air compared to last night , also it was not able to float.WHY??

Subject: Science, asked on 14/9/20

What are "Superfluids"?

Subject: Science, asked on 27/5/20

Q. Give reason.
a. The electric cables on poles hang loosely in summer but the same wires appear right. And not so loose in winter.
b. Ice occupies more space than water.

Subject: Science, asked on 24/2/20

Please tell me any experiment that I can show in school on physical and chemical change .

Subject: Science, asked on 21/2/20

Tell 5 differences between solid , liquid and gas each.

Subject: Science, asked on 17/12/19

What is liquefied hydrogen ?

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