Question

[A]:When sodium hydroxide reacts with Zinc it produces Sodium zincate and hydrogen.

[R]: Sodium hydroxide is an amphoteric substance.

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Answer 1

Answer:

[A]: Acids and Bases React with Metals

Bases also react with certain metals like zinc or aluminum for example to produce hydrogen gas. For exanple, sodium hydroxide reacts with zinc and water to form sodium zincate and hydrogen gas. Zn(s)+2NaOH(aq)+2H2O(l)→Na2Zn(OH)4(aq)+H2(g).

[R]: Sodium hydroxide, also known as lye and caustic soda,[1][2] is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na+

and hydroxide anions OH.

Explanation:

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