Chemistry Which of the following is not a precious/semi-precious stone? Sapphire Ruby Pearl Emerald Sapphire Ruby Pearl Emerald ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is more reactive than tin Zinc has a higher melting point than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc is more reactive than tin Zinc has a higher melting point than tin Zinc is less reactive than tin Zinc is costlier than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a method/process of disposing of solid waste which cannot be reused or recycled ? Incineration Landfills All listed here Pyrolysis and Gasification Incineration Landfills All listed here Pyrolysis and Gasification ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 14 8 – 14 None 0 – 7 0 – 14 8 – 14 None 0 – 7 ANSWER DOWNLOAD EXAMIANS APP
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