Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is '6.023 × 10–23 6.023 × 1020 6.023 × 1023 '6.023 × 10–20 '6.023 × 10–23 6.023 × 1020 6.023 × 1023 '6.023 × 10–20 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 × 1023 6.023 × 1022 6.023 × 1024 6.023 × 1025 6.023 × 1023 6.023 × 1022 6.023 × 1024 6.023 × 1025 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. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Acetic acid Aqua-regia Nitric acid Hydrochloric acid Acetic acid Aqua-regia Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
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