Chemistry Hardness of the water is commonly measured in terms of Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents Calcium carbonate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Ethane Methane All of these Nitrogen Ethane Methane All of these Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Ruby Pearl Sapphire Emerald Ruby Pearl Sapphire Emerald ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most volatile of the given liquids is Liquid NH3 Liquid He Liquid Ether Liquid NH3 Liquid He Liquid Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Insecticides Leaded gasoline Tobacco Sewage Insecticides Leaded gasoline Tobacco Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following alkali metals has highest specific heat? Potassium Caesium Rubidium Lithium Potassium Caesium Rubidium Lithium ANSWER DOWNLOAD EXAMIANS APP