What is chemical oxygen demand?
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What is Oxidation and Reduction?
what is the difference between heat and temperature?
Why be is not soluble in liquid ammonia?
Why ph scale range is 14? Why it is not less or not greater than 14? Solution of hcl or hydrogen containing liquid has a ph. But if the solution is kmno4 here nothydrogen power does it ph?
What is given off on burning a candle ?
What is the unit of ph?
What is Salts ?
What is the composition of gun-powder ?
Why ph scale range is 14? Why it is not less or not greater than 14?
What is the metal used to extract copper from the solution of copper sulphate?
Why is sodium preserved in kerosene oil ?
What is the Chemical Combination ?