Define what is oxidation and reduction reaction?
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What is solubility product ?
What is Distillation ?
describe the lewis dot structure of Mg2+?
What is colorimetry?
Which gas is used, in laboratories etc. for burners ?
What is the limitation of cod?
Why do eye-glasses become fogged, when the wearer comes form the cold outdoors into a warm room ?
What is the role of silver sulphate?
What are the products formed after cod analysis?
Why is estimation of copper done at 620 nm wave length?
Why does a freely supended magnetic needle always point North and South ?
What is weak acid?