What is the chemical composition of diamond ?
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What are constituents of brass?
What is the basicity/acidity of na2co3
Which metal is used for coating the backs of the mirrors ?
Explain about Graham?s law of Diffusion ?
Arrange by acidic values : phenol, nitrotolouene and o-cresol?
What is produced, when carbon is burnt ?
which metal is found abundantly in the earths crust??
however ozone is havier than oxygen still ozone is up there in sky why?
Why does a rose appear black when the light of any other colour except red is made to fall on it ?
Why does the electric fan cool more efficiently in May than it cools in September?
Why are some wires covered with insulating materials ?
Why is dew formed more readily on clear nights than on cloudy ones ?