Multiple choice

Which of the following option is incorrect?

  1. Substance that dissolve in water are said to be soluble in water.

  2. Substance that do not dissolve in water are said to be insoluble in water.

  3. Substances dissolves faster in cold water than hot water.

  4. Soluble and insoluble impurities in water bodies causes water pollution.

  5. Insoluble impurities in water can be separated by sedimentation, decantation and filtration.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

No, substances dissolves faster in warm water. If we dissolve sugar or salt in warm water then it will dissolve faster than cold water.

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