What is the role of silver sulphate?
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State beer-lambert’s law.
What is given off on burning a candle ?
Why titration in which hcl and h2so4 is use?
A dynamite catridge struck in a rock makes the rock burst in being fired. How dies it happen ?
What are the advantages of soapy detergents over soapless
Why is the percentage of oxygen today the same as it was thousands years ago, even though the whole world inhals it?
Why is ph increases suddenly after the equivalence point?
On the cold morning, a gardener touches the iron blade of his spade with one hand and its wooden handle with other hand. Why does he feel the iron blade to be colder than the wooden handle ?
Explain the process of spontaneous combustion?
What is electroplating ?
Why is it more efficient for a labourer to raise bricks up to a brick layer by the use of a rope and pully than by carrying them up a ladder ?
Why is Davy Lamp called a Safety Lamp ?