Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Barium peroxide Hydrogen peroxide Sodium peroxide Ozone Barium peroxide Hydrogen peroxide Sodium peroxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Disodium hydrogen phosphate Sodium phosphate Sodium dihydrogen phosphate Phosphoric acid Disodium hydrogen phosphate Sodium phosphate Sodium dihydrogen phosphate Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are All of these Dry Ice (Frozen CO2) Silver Iodide (Ag I) Sodium Chloride (NaCl) All of these Dry Ice (Frozen CO2) Silver Iodide (Ag I) Sodium Chloride (NaCl) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Ammonium sulphate Urea Superphosphate Ammonium nitrate Ammonium sulphate Urea Superphosphate Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Alcohol Kerosene oil Oxalic acid Ether Alcohol Kerosene oil Oxalic acid Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of electrons and protons electrons and neutrons protons and neutrons All of these electrons and protons electrons and neutrons protons and neutrons All of these ANSWER DOWNLOAD EXAMIANS APP
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