Question

Iqbal treated a lustrous, divalent element M with sodium hydroxide. He obserued the formation of bubble in reaction mixture. He made the same observations when this element was treated with hydrochloric acid. Suggest how can he identify the produced gas. Write chemical equstions for both the reactions.

Answer 1

Answer:

Iqbal treated a lustrous, divalent element M with sodium hydroxide. He observed the formation of bubbles in reaction mixture. ... Hence, hydrogen gas is most likely to be produced during these reactions. The evolution of hydrogen gas can be checked by bringing a burning matchstick or splinter near the evolved gas.

Answer 2

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