Chemistry Which of the following is not present in German-silver? Silver Zinc Copper Nickel Silver Zinc Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Carbon Phosphorus Hydrogen Sulphur Carbon Phosphorus Hydrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon monoxide and hydrogen Carbon dioxide and nitrogen Carbon monoxide and nitrogen Carbon dioxide and hydrogen Carbon monoxide and hydrogen Carbon dioxide and nitrogen Carbon monoxide and nitrogen Carbon dioxide and hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Sulphur Graphite Phosphorus Bauxite Sulphur Graphite Phosphorus Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? Coal Cooking gas High octane fuel Low octane fuel Coal Cooking gas High octane fuel Low octane fuel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP