Chemistry The most abundant element in the human body is Oxygen Iron Nitrogen Carbon Oxygen Iron Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Sodium Copper Silver Gold Sodium Copper Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 2 8 1 4 2 8 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Nickel Silver Copper Zinc Nickel Silver Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metals commonly used for electroplating are Chromium, Copper and Nickel Gold, Sodium and Chromium Gold, Sodium and Potassium Nickel, Lead and Chromium Chromium, Copper and Nickel Gold, Sodium and Chromium Gold, Sodium and Potassium Nickel, Lead and Chromium ANSWER DOWNLOAD EXAMIANS APP