Chemistry Silver halides are used in photographic plates because they are Reduced by light Soluble in hyposolution Totally colourless Oxidised in air Reduced by light Soluble in hyposolution Totally colourless Oxidised in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is FeCO3 Fe3O4 2Fe2O3. 3H2O Fe2O3 FeCO3 Fe3O4 2Fe2O3. 3H2O Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Petrol and oxygen Steam Batteries Diesel Petrol and oxygen Steam Batteries Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A purifier for water A fertilizer A disinfectant An analgesic A purifier for water A fertilizer A disinfectant An analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is oxygen hydrogen nitrogen carbon dioxide oxygen hydrogen nitrogen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Four Three Two One Four Three Two One ANSWER DOWNLOAD EXAMIANS APP
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