Chemistry Philosopher’s wool is chemically Zinc oxide Aluminium oxide Magnesium oxide Calcium oxide Zinc oxide Aluminium oxide Magnesium oxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant rare gas in the atmosphere is Xe He Ne Ar Xe He Ne Ar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? Cl2 O2 H2 SO2 Cl2 O2 H2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Activated carbon Alum Bleach Deactivated nitrogen Activated carbon Alum Bleach Deactivated nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron acceptor It releases H2 in a chemical reaction An electron donor In a chemical reaction its oxidation number increases An electron acceptor It releases H2 in a chemical reaction An electron donor In a chemical reaction its oxidation number increases ANSWER DOWNLOAD EXAMIANS APP