Question

ng water of river. Folge A. Answer the following questions in one sentence. 05 1. Which metals react with water at normal room temperature ? 2. State the term used to express the purity of gold. 3. What constitutes an electric current in a metal
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Answer 1

Answer:

1. Sodium (Na) and Potassium (K)

2. Carat

3. Electrons

Explanation:

1. Sodium and Potassium both reacts vigorously with water at room temperature.

2. Carat or Karat is the term used to measure the gold content or purity.

3.  Negatively charged particles in a metal which is electrons conduct electricity in a metal.