Chemistry The mass number of an atom is equal to the number of neutrons the number of nucleons the number of protons and electrons the number of protons the number of neutrons the number of nucleons the number of protons and electrons the number of protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Filtration Distillation Evaporation Fractional distillation Filtration Distillation Evaporation Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Carbides Carbohydrates Carbonates Hydrocarbons Carbides Carbohydrates Carbonates Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is Gas Carbon None of these Copper Sulphate Iron Gas Carbon None of these Copper Sulphate Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Thorium Sodium Potassium Uranium Thorium Sodium Potassium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines ANSWER DOWNLOAD EXAMIANS APP