Chemistry The mass number of an atom is equal to the number of protons the number of protons and electrons the number of nucleons the number of neutrons the number of protons the number of protons and electrons the number of nucleons the number of neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Biomass Carbohydrates Crude oil Coal Biomass Carbohydrates Crude oil Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Copper vessel Aluminium vessel Glass vessel Earthen vessel Copper vessel Aluminium vessel Glass vessel Earthen vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Phenolphthaline Methylene blue Methyl orange Methyl red Phenolphthaline Methylene blue Methyl orange Methyl red ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Cat's-eye Topaz Opal Pearl Cat's-eye Topaz Opal Pearl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The cathode of a lead storage battery is made up of Zinc Lead oxide Lead Manganese dioxide Zinc Lead oxide Lead Manganese dioxide ANSWER DOWNLOAD EXAMIANS APP
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