Multiple choice

Which of the following pairs is correctly matched?

  1. Mixture of sand and water – Uniform composition

  2. Mixture of sugar and water – Non-uniform texture

  3. Water – Fixed boiling point

  4. Sugar – Variable melting point

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Water is a compound made of two elements hydrogen and oxygen chemically combined in a fixed proportion mass. Sugar is also a compound and it has a fixed boiling point. Therefore, only option (3) is correct.

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