Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 1 : 1 : 1 2 : 16 : 1 1 : 16 : 2 2 : 16 : 2 1 : 1 : 1 2 : 16 : 1 1 : 16 : 2 2 : 16 : 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Tin Copper Nickel Zinc Tin Copper Nickel Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Oxygen Nitrogen Carbon dioxide Hydrogen Sulphide Oxygen Nitrogen Carbon dioxide Hydrogen Sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Carbonic acid Boric acid Phosphoric acid Sulphuric acid Carbonic acid Boric acid Phosphoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium sulphate Solder Aluminium powder None of these Aluminium sulphate Solder Aluminium powder None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from An insect A bacterium A fungus A seed plant An insect A bacterium A fungus A seed plant ANSWER DOWNLOAD EXAMIANS APP