Chemistry Williamson's synthesis is widely used in the laboratory preparation of Ethers Aldehydes Esters Alcohols Ethers Aldehydes Esters Alcohols ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO SO2 NO2 Chlorogluorocarbons NO SO2 NO2 Chlorogluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? SO2 Dust particles Photochemical smog NO2 SO2 Dust particles Photochemical smog NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vegetable oils does not contain essential fatty acids ? Sunflower oil Groundnut oil Coconut oil Mustard oil Sunflower oil Groundnut oil Coconut oil Mustard oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Reduction in the cost of cement Rapid setting of cement Preventing rapid setting of cement Increasing the strength of cement Reduction in the cost of cement Rapid setting of cement Preventing rapid setting of cement Increasing the strength of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance is highly plastic ? Granite Clay Mica Quartz Granite Clay Mica Quartz ANSWER DOWNLOAD EXAMIANS APP