Chemistry Which among the following is pure matter ? Brass Air Carbon–dioxide Iron Brass Air Carbon–dioxide Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : H2O2 Petrol Oxalic acid Alcohol H2O2 Petrol Oxalic acid Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 CuO ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Detergent Liquid soap Ordinary soap Dilute acid Detergent Liquid soap Ordinary soap Dilute acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury None of these Hg Mr Mg None of these Hg Mr Mg ANSWER DOWNLOAD EXAMIANS APP
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