Chemistry The main source of Naphthalene is Charcoal Camphor Diesel Coal-tar Charcoal Camphor Diesel Coal-tar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? SO2 Photochemical smog NO2 Dust particles SO2 Photochemical smog NO2 Dust particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 3 1 4 2 3 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Mild sulphuric acid Glucose isomerase Hydrogen peroxide Iodine and water Mild sulphuric acid Glucose isomerase Hydrogen peroxide Iodine and water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbons Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Heterogeneous mixture Homogeneous mixture Element Compound Heterogeneous mixture Homogeneous mixture Element Compound ANSWER DOWNLOAD EXAMIANS APP
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