Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Coke Crude oil Deposit of animal waste Compressed and hardened biomass Coke Crude oil Deposit of animal waste Compressed and hardened biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Burning Organic delay Breathing Photosynthesis Burning Organic delay Breathing Photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is vinyl chloride ethyl alcohol ethylene None of these vinyl chloride ethyl alcohol ethylene None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by One bond Two bonds Three bonds Four bonds One bond Two bonds Three bonds Four bonds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Pearl Sapphire Emerald Ruby Pearl Sapphire Emerald Ruby ANSWER DOWNLOAD EXAMIANS APP
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