Chemistry Which one of the following mineral does not contain oxygen ? Haematite Calcite Cryolite Bauxite Haematite Calcite Cryolite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is carbon dioxide oxygen hydrogen nitrogen carbon dioxide oxygen hydrogen nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 3 to 5 6 to 8 0.5 to 1.5 0.01 to 0.25 3 to 5 6 to 8 0.5 to 1.5 0.01 to 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Nitrogen Sulphur dioxide Carbon dioxide Helium Nitrogen Sulphur dioxide Carbon dioxide Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the fuels given below, the one with highest calorific value is Coke Natural gas Wood Coal Coke Natural gas Wood Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium hydroxide Sodium bicarbonate Sodium carbonate Potassium carbonate Sodium hydroxide Sodium bicarbonate Sodium carbonate Potassium carbonate ANSWER DOWNLOAD EXAMIANS APP