What are filters? Why are they used?
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What is produced, when carbon is burnt ?
In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
What is mortar /
How many millilitre is equal to 1 litre and how many microliter is equal to litre?
Explain how buffer works?
Explain the Solution ?
Explain the Molecule?
What is edta?
Explain the difference between the Metals and Metallurgy ?
What is Acids, Bases salts ?
What is quick lime ?
The heat of the sun reaches us and the intervening air is not heated up Why ?