Multiple choice

Which of the following is not true regarding methane?

  1. It is composed of more than one element.

  2. Its elements are chemically combined.

  3. Its constituents are separated by chemical or electrochemical means only.

  4. Its elements are combined in variable proportions.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Methane is a compound and its elements are combined in fixed proportion.

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