Chemistry Which one of the following is extensively used for sterilizing water ? Borax powder Bleaching powder Soda powder Alum Borax powder Bleaching powder Soda powder Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Carbon Hydrogen Phosphorus Sulphur Carbon Hydrogen Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 7.2 x x/6 5x/36 5x 7.2 x x/6 5x/36 5x ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Oxidised in air Soluble in hyposolution Totally colourless Reduced by light Oxidised in air Soluble in hyposolution Totally colourless Reduced by light ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of All of these protons and neutrons electrons and protons electrons and neutrons All of these protons and neutrons electrons and protons electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Plutonium Zinc Radium Thorium Plutonium Zinc Radium Thorium ANSWER DOWNLOAD EXAMIANS APP
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