What is blank solution?
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What is Filtration ?
Which halogen element is used in halogen light?
Explain about Atomic Weight ?
What is the role of mercuric sulphate?
What is Electrovalence?
Difference between heavy hydrogen , Atom Hydrogen and Hydrogen Ion ?
How can the iron sheets be prevented from rusting ?
What is Oxidation and Reduction?
Which gas used for purifying, air in underground enterprises ?
What is Salts ?
Why are silver tea pots made with the handles of ebony ?
why all the concentration of chemical species are measured using water as solvent (for examole 1N NaOH means 40 g of NaOH in one litre of water)eventhough there are so many solvents available?