In the laboratory during preparation of hydrogen gas mention the changes that would occur. Also write the chemical reaction for the following changes? in place of zinc granules ,same amount of zinc dust is taken in the test tube instead of dilute sulphuric acid ,hydrochloric acid is taken in place of zinc, copper turnings are taken Sodium Hydroxide is taken in place of sulphuric acid and the tube is heated

In the laboratory during preparation of hydrogen gas mention the chang

1.	In the laboratory during preparation of hydrogen gas mention the changes that would occur. Also write the chemical reaction for the following changes? in place of zinc granules ,same amount of zinc dust is taken in the test tube instead of dilute sulphuric acid ,hydrochloric acid is taken in place of zinc, copper turnings are taken Sodium Hydroxide is taken in place of sulphuric acid and the tube is heated
Answer» In the laboratory during preparation of hydrogen gas mention the changes that would occur. Also write the chemical reaction for the following changes? in place of zinc granules ,same amount of zinc dust is taken in the test tube instead of dilute sulphuric acid ,hydrochloric acid is taken in place of zinc, copper turnings are taken Sodium Hydroxide is taken in place of sulphuric acid and the tube is heated