Chemistry An electric iron has a heating element made of : Tungsten Zinc Nichrome Copper Tungsten Zinc Nichrome Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? 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 Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a donor atom? Phosphorus Arsenic Aluminium Antimony Phosphorus Arsenic Aluminium Antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CO2 CO SO2 CFC CO2 CO SO2 CFC ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Furan Benzene Naphthalene Anthracene Furan Benzene Naphthalene Anthracene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Propane Helium Methane Nitrogen Propane Helium Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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