Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO CuCO3 Cu(OH)2 Cu(NO3)2 CuSO4 CuO CuCO3 Cu(OH)2 Cu(NO3)2 CuSO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Sodium Sulphate Calcium Sulphate Calcium Silicate Sodium Silicate Sodium Sulphate Calcium Sulphate Calcium Silicate Sodium Silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Chlorine Carbon monoxide Methyl isocyanate Phosgene Chlorine Carbon monoxide Methyl isocyanate Phosgene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is Cacl2 CaF2 Cal2 CaBr2 Cacl2 CaF2 Cal2 CaBr2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following alloy is used in making magnet ? Magnalium Alnico Duralumin Stainless steel Magnalium Alnico Duralumin Stainless steel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS