Chemistry Which one of the following is known as the 'brown coal'? Bituminous Anthracite Lignite Coke Bituminous Anthracite Lignite Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Preventing rapid setting of cement Rapid setting of cement Increasing the strength of cement Reduction in the cost of cement Preventing rapid setting of cement Rapid setting of cement Increasing the strength of cement Reduction in the cost of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO2 SO2 Unburnt petrol CO CO2 SO2 Unburnt petrol CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not an anasthetic agent in surgical operations? Acetone Nitrous oxide Chloroform Ether Acetone Nitrous oxide Chloroform Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Fuel combustion Transportation Solid waste disposal Industrial process Fuel combustion Transportation Solid waste disposal Industrial process ANSWER DOWNLOAD EXAMIANS APP
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