Chemistry Why is water not suitable for putting out a petrol fire ? 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 Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Potassium salts of higher fatty-acids Hydrocarbons of petroleum Sodium salts of higher fattyacids Glycerides Potassium salts of higher fatty-acids Hydrocarbons of petroleum Sodium salts of higher fattyacids Glycerides ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Nickel Zinc Copper Silver Nickel Zinc Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Plant hormone Acidic dye Vitamin Secondary pollutant Plant hormone Acidic dye Vitamin Secondary pollutant ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight First increases and then decreases Increases Remains the same Decreases First increases and then decreases Increases Remains the same Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not an anasthetic agent in surgical operations? Chloroform Acetone Ether Nitrous oxide Chloroform Acetone Ether Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
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