In a laboratory preparation of hydrogen gas, what would happen (write chemical reactions) if the following changes are made? 1) in place of zinc granules, same amount of zinc dust is taken in test tube 2) instead of dilute sulphuric acid, hydrochloric acid is taken 3) In place of zinc, copper turning are taken 4) sodium hydroxide is taken in place of sulphuric acid and tube is heated

In a laboratory preparation of hydrogen gas, what would happen (write

1.	In a laboratory preparation of hydrogen gas, what would happen (write chemical reactions) if the following changes are made? 1) in place of zinc granules, same amount of zinc dust is taken in test tube 2) instead of dilute sulphuric acid, hydrochloric acid is taken 3) In place of zinc, copper turning are taken 4) sodium hydroxide is taken in place of sulphuric acid and tube is heated
Answer» In a laboratory preparation of hydrogen gas, what would happen (write chemical reactions) if the following changes are made? 1) in place of zinc granules, same amount of zinc dust is taken in test tube 2) instead of dilute sulphuric acid, hydrochloric acid is taken 3) In place of zinc, copper turning are taken 4) sodium hydroxide is taken in place of sulphuric acid and tube is heated