Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Saltpetre Sodium chloride Hydrogen peroxide Borax Saltpetre Sodium chloride Hydrogen peroxide Borax ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of CO2 N2 H2 CH4 CO2 N2 H2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, No residue will be left Residue will be left It will change into diamond It will not burn No residue will be left Residue will be left It will change into diamond It will not burn ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is no reaction. There is a crackling sound The paper ignites There is a violent explosion. There is no reaction. There is a crackling sound The paper ignites There is a violent explosion. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Lead Copper Mercury Zinc Lead Copper Mercury Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Coal Biomass Carbohydrates Crude oil Coal Biomass Carbohydrates Crude oil ANSWER DOWNLOAD EXAMIANS APP
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