Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in RNA Thymine Ribose Uracil Phosphate Thymine Ribose Uracil Phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Calcium acetate Calcium oxalate Sodium oxalate Sodium chloride Calcium acetate Calcium oxalate Sodium oxalate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Copper Silver Brass Bronze Copper Silver Brass Bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Butane Methane Propane Decane Butane Methane Propane Decane ANSWER DOWNLOAD EXAMIANS APP