Chemistry Coal is formed from Compressed and hardened biomass Crude oil Coke Deposit of animal waste Compressed and hardened biomass Crude oil Coke Deposit of animal waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Paints Acid Plants Domestic sewage Wood burning Paints Acid Plants Domestic sewage Wood burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Coal mines Organic solvents industry Paint manufacturing industry Electroplating industry Coal mines Organic solvents industry Paint manufacturing industry Electroplating industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc has a higher melting point than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc is more reactive than tin Zinc has a higher melting point than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc is more reactive than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Peat Bitumen Lignite Anthracite Peat Bitumen Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Potassium Sodium Bromine Iodine Potassium Sodium Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
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