Chemistry Dry powder fire extinguishers contain Sand and sodium carbonate Sand and potassium carbonate Sand and sodium bicarbonate Sand Sand and sodium carbonate Sand and potassium carbonate Sand and sodium bicarbonate Sand ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is abundant in Gobar gas? Oxygen Carbon dioxide Methane Hydrogen Oxygen Carbon dioxide Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Helium Neon Argon Xenon Helium Neon Argon Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Copper Iron Tin Aluminium Copper Iron Tin Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Magnesium Iron Silicon Oxygen Magnesium Iron Silicon ANSWER DOWNLOAD EXAMIANS APP
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