Chemistry Which of the following metals occurs in free state ? Copper Zinc Iron Lead Copper Zinc Iron Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is vinyl chloride ethylene None of these ethyl alcohol vinyl chloride ethylene None of these ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom One Four Three Two One Four Three Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Chlorofluorocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbons Carbon dioxide Sulphur dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not an anasthetic agent in surgical operations? Nitrous oxide Ether Acetone Chloroform Nitrous oxide Ether Acetone Chloroform ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest acid of the following is P-nitrophenol M-nitrophenol P-chlorophenol O-nitrophenol P-nitrophenol M-nitrophenol P-chlorophenol O-nitrophenol ANSWER DOWNLOAD EXAMIANS APP
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