Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuSO4 CuO CuCO3 Cu(OH)2 Cu(NO3)2 CuSO4 CuO CuCO3 Cu(OH)2 Cu(NO3)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not an anasthetic agent in surgical operations? Acetone Ether Nitrous oxide Chloroform Acetone Ether Nitrous oxide Chloroform ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Sodium nitrite Potassium nitrite Sodium nitrate Potassium nitrate Sodium nitrite Potassium nitrite Sodium nitrate Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Hydrolyser Flocculator Disinfectant Precipitator Hydrolyser Flocculator Disinfectant Precipitator ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal gas tragedy was caused by the gas Methyl Iso Cyanide Methyl Cyanide Methyl chloride Methyl Iso Cyanate Methyl Iso Cyanide Methyl Cyanide Methyl chloride Methyl Iso Cyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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