Chemistry An acid having basicity one is Phosphoric acid Disodium hydrogen phosphate Sodium dihydrogen phosphate Sodium phosphate Phosphoric acid Disodium hydrogen phosphate Sodium dihydrogen phosphate Sodium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a crackling sound The paper ignites There is no reaction. There is a violent explosion. There is a crackling sound The paper ignites There is no reaction. There is a violent explosion. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Ethylamine Diethylamine Triethylamine Ammonia Ethylamine Diethylamine Triethylamine Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Propylene Acetylene Ethylene Aniline Propylene Acetylene Ethylene Aniline ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Zinc and carbon Iron and cadmium Lead peroxide and lead Nickel and cadmium Zinc and carbon Iron and cadmium Lead peroxide and lead Nickel and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Totally colourless Oxidised in air Soluble in hyposolution Reduced by light Totally colourless Oxidised in air Soluble in hyposolution Reduced by light ANSWER DOWNLOAD EXAMIANS APP