Chemistry Atomic number is the number equal to Electrons None of these Protons Neutrons Electrons None of these Protons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Esters Ethers Alcohols Aldehydes Esters Ethers Alcohols Aldehydes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Cellulose Fat Carbohydrate Protein Cellulose Fat Carbohydrate Protein ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Earthen vessel Glass vessel Aluminium vessel Copper vessel Earthen vessel Glass vessel Aluminium vessel Copper vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Totally colourless Reduced by light Soluble in hyposolution Oxidised in air Totally colourless Reduced by light Soluble in hyposolution Oxidised in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Smoke Carbon dioxide Carbon monoxide Sulphur dioxide Smoke Carbon dioxide Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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