Chemistry Coal is formed from Coke Deposit of animal waste Crude oil Compressed and hardened biomass Coke Deposit of animal waste Crude oil Compressed and hardened biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Potassium cyanide Zinc oxide Lead nitrate Zinc phosphide Potassium cyanide Zinc oxide Lead nitrate Zinc phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol are miscible with each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Paint manufacturing industry Organic solvents industry Electroplating industry Coal mines Paint manufacturing industry Organic solvents industry Electroplating industry Coal mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Zinc Aluminium Copper Iron Zinc Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
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