Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 CuO Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compounds has fruity smell? Ether Ester Aldehyde Alcohol Ether Ester Aldehyde Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Sulphuric acid Phosphoric acid Hydrochloric acid Nitric acid Sulphuric acid Phosphoric acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? Ammonia None of these Urea Uric Acid Ammonia None of these Urea Uric Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Propane Vinyl chloride Acetylene Styrene Propane Vinyl chloride Acetylene Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Methane Acetylene Styrene Ethylene Methane Acetylene Styrene Ethylene ANSWER DOWNLOAD EXAMIANS APP
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