Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Oxygen Hydrogen Helium Nitrogen Oxygen Hydrogen Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most malleable metal is silver iron gold platinum silver iron gold platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Os W Pb Pt Os W Pb Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Arsenic Lead Mercury Aluminium Arsenic Lead Mercury Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is aspirin caffeine chlorophyll nicotine aspirin caffeine chlorophyll nicotine 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 The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water 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 The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
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