Chemistry When formaldehyde and potassium hydroxide are heated, we get Methane Ethyl formate Acetylene Methyl alcohol Methane Ethyl formate Acetylene Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper and zinc Copper, tin and zinc Tin and lead Copper and tin Copper and zinc Copper, tin and zinc Tin and lead Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Nitric oxide Chlorofluorocarbon Carbon dioxide Hydrogen Nitric oxide Chlorofluorocarbon Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of carbon and nitrogen None of these Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen None of these Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodex, a pain relief balm, has the smell of ________ . Butyl salicylate Propyl salicylate Ethyl salicylate Methyl salicylate Butyl salicylate Propyl salicylate Ethyl salicylate Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Carbon dioxide Carbon monoxide Helium Oxygen Carbon dioxide Carbon monoxide Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
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