Chemistry Heavy metal pollution of water is caused by: Acid Plants Wood burning Domestic sewage Paints Acid Plants Wood burning Domestic sewage Paints ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Butane Ethane Methane Propane Butane Ethane Methane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Barium peroxide Sodium peroxide Hydrogen peroxide Ozone Barium peroxide Sodium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The advantage of detergents over soaps is Detergents give lather even with hard water Detergents are soluble in water Soaps give lather with only soft water Detergents could not give much lather Detergents give lather even with hard water Detergents are soluble in water Soaps give lather with only soft water Detergents could not give much lather ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Distillation Evaporation Fractional distillation Filtration Distillation Evaporation Fractional distillation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Two One Three Four Two One Three Four ANSWER DOWNLOAD EXAMIANS APP
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