Chemistry Stalactites and Stalagmites form due to the precipitation of : MgCl2 CaCl2 MgCO3 CaCO3 MgCl2 CaCl2 MgCO3 CaCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of electrons presents in H+ is three two zero one three two zero one ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Temperature decreases Heat is absorbed Heat is liberated No heat change takes place Temperature decreases Heat is absorbed Heat is liberated No heat change takes place ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Oxygen Chlorine Hydrogen Nitrogen Oxygen Chlorine Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 5 to 6 per cent 3 to 4 per cent 2 to 3 per cent 4 to 5 per cent 5 to 6 per cent 3 to 4 per cent 2 to 3 per cent 4 to 5 per cent ANSWER DOWNLOAD EXAMIANS APP