Which of the following statements best describes the behaviour of different metals when heated in air?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) All metals burn in air with equal intensity to form metal oxides.
2. (B) Iron and copper form metal oxides while burning with a flame.
3. (C) Potassium and sodium react so rapidly with oxygen that they catch fire.
4. (D) Silver and gold burn in air and form thick oxide layers.

Verified Answer

Option (C): Potassium and sodium react so rapidly with oxygen that they catch fire.

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