Chemistry Formation of ozone hole is maximum over Africa India Antarctica Europe Africa India Antarctica Europe ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Teflon Napthalene Graphite Diamond Teflon Napthalene Graphite Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Paint Glass Gun powder Cement Paint Glass Gun powder Cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 2 zero 4 5 2 zero 4 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Digestion of food Burning of coal Conversion of water into steam Burning of paper Digestion of food Burning of coal Conversion of water into steam Burning of paper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Hydrogen peroxide Glucose isomerase Mild sulphuric acid Iodine and water Hydrogen peroxide Glucose isomerase Mild sulphuric acid Iodine and water ANSWER DOWNLOAD EXAMIANS APP
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