Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1020 '6.023 × 10–20 '6.023 × 10–23 6.023 × 1023 6.023 × 1020 '6.023 × 10–20 '6.023 × 10–23 6.023 × 1023 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.27 0.25 0.18 0.305 0.27 0.25 0.18 0.305 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of Avogadro Number is 6.023 × 1025 6.023 × 1023 6.023 × 1024 6.023 × 1022 6.023 × 1025 6.023 × 1023 6.023 × 1024 6.023 × 1022 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Hydrochloric acid Nitric acid Acetic acid Aqua-regia Hydrochloric acid Nitric acid Acetic acid Aqua-regia ANSWER DOWNLOAD EXAMIANS APP
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