Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is O3 CO All of these CO2 O3 CO All of these CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material which can be deformed permanently by heat and pressure is called a polymer chemical compound thermoplastic thermoset polymer chemical compound thermoplastic thermoset ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Diluted acetic acid Glacial acetic acid Diluted formic acid Glacial formic acid Diluted acetic acid Glacial acetic acid Diluted formic acid Glacial formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Petrol H2O2 Alcohol Oxalic acid Petrol H2O2 Alcohol Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
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 Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? Na Ag S P Na Ag S P ANSWER DOWNLOAD EXAMIANS APP
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