Chemistry The mass number of an atom is equal to the number of protons the number of protons and electrons the number of neutrons the number of nucleons the number of protons the number of protons and electrons the number of neutrons the number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Starch Bakelite Nylon Polythene Starch Bakelite Nylon Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium chloride Calcium carbide Calcium sulphide Calcium carbonate Calcium chloride Calcium carbide Calcium sulphide Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : MgCO3 CaCl2 CaCO3 MgCl2 MgCO3 CaCl2 CaCO3 MgCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Exosphere Stratosphere Ionosphere Troposphere Exosphere Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Nitric acid Hydrochloric acid Sulphuric acid Phosphoric acid Nitric acid Hydrochloric acid Sulphuric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP