Chemistry Silver halides are used in photographic plates because they are Oxidised in air Soluble in hyposolution Reduced by light Totally colourless Oxidised in air Soluble in hyposolution Reduced by light Totally colourless ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Three Four One Two Three Four One Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colloids can be purified by Condensation Condensation Dialysis Condensation Condensation Condensation Dialysis Condensation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Magnetite Haematite Siderite Limonite Magnetite Haematite Siderite Limonite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Increasing the strength of cement Preventing rapid setting of cement Rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Preventing rapid setting of cement Rapid setting of cement Reduction in the cost of cement ANSWER DOWNLOAD EXAMIANS APP