Chemistry Which of the following is colourless ? Chlorine Oxygen Phosphorus Sulphur Chlorine Oxygen Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Bauxite Cryolite Haematite Fluorspar Bauxite Cryolite Haematite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Indane gas is mixture of Methane and oxygen Butane and oxygen Butane and hydrogen Butane and propane Methane and oxygen Butane and oxygen Butane and hydrogen Butane and propane 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Hydrogen and Carbon Oxygen and Carbon Oxygen and Nitrogen Oxygen only Hydrogen and Carbon Oxygen and Carbon Oxygen and Nitrogen Oxygen only ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Ozone and carbon dioxide Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Ozone and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP