Chemistry In drinking water supply, which of the following treatments is not involved Sedimentation Disinfection Coagulation Softening Sedimentation Disinfection Coagulation Softening ANSWER DOWNLOAD EXAMIANS APP
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 and acetic acid Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid in excess ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Deposit of animal waste Crude oil Coke Compressed and hardened biomass Deposit of animal waste Crude oil Coke Compressed and hardened biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Methyl alcohol Acetylene Ethyl formate Methane Methyl alcohol Acetylene Ethyl formate Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Arsine Nitrous oxide Sulphur dioxide Ammonia Arsine Nitrous oxide Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Aluminium Silver Copper Zinc Aluminium Silver Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
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