Chemistry Submarines move under water. They have engines that run on Diesel Steam Batteries Petrol and oxygen Diesel Steam Batteries Petrol and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Totally colourless Oxidised in air Reduced by light Soluble in hyposolution Totally colourless Oxidised in air Reduced by light Soluble in hyposolution ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium nitrate Sodium carbonate Sodium bicarbonate Sodium nitrite Sodium nitrate Sodium carbonate Sodium bicarbonate Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Iron Gold Copper Zinc Iron Gold Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 6 18 12 Zero 6 18 12 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Plant gums Wool wax Petroleum Coal tar Plant gums Wool wax Petroleum Coal tar ANSWER DOWNLOAD EXAMIANS APP