Chemistry Water is not effective in extinguishing a fire caused by petrol because 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Sodium salts of higher fattyacids Hydrocarbons of petroleum Potassium salts of higher fatty-acids Glycerides Sodium salts of higher fattyacids Hydrocarbons of petroleum Potassium salts of higher fatty-acids Glycerides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Radioactive waste Carbon dioxide Acid rain Oil spill Radioactive waste Carbon dioxide Acid rain Oil spill ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, No residue will be left It will not burn Residue will be left It will change into diamond No residue will be left It will not burn Residue will be left It will change into diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is All of these CO CO2 O3 All of these CO CO2 O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Chlorine Sodium chloride Carbon dioxide Alcohol Chlorine Sodium chloride Carbon dioxide Alcohol ANSWER DOWNLOAD EXAMIANS APP