Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Gun powder Paint Cement Glass Gun powder Paint Cement Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Magnesium, calcium and tin Iron, tin and calcium Calcium, magnesium and iron Magnesium, tin and iron Magnesium, calcium and tin Iron, tin and calcium Calcium, magnesium and iron Magnesium, tin and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Methane Ozone Nitrogen Carbon dioxide Methane Ozone Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Carbon dioxide Chlorofluorocarbons Nitrogen Methane Carbon dioxide Chlorofluorocarbons Nitrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Extrinsic colloid Hydrophilic colloid Associated colloid Hydrophobic colloid Extrinsic colloid Hydrophilic colloid Associated colloid Hydrophobic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Petrol Water Kerosene Pyridine Petrol Water Kerosene Pyridine ANSWER DOWNLOAD EXAMIANS APP