Question

18. Which of these is not a mixture?
(1) Oil and water
(2) Sand and water
(3) Diet soda
(4) None of these​

Answer 1

Answer:

1) Oil and Water

Explanation:

Oil and water is the correct option coz they doesn't get mixed the oil floats on the top of water.

Answer 2

Answer: Oil in water because they don't mix with each other and form a separate layer.

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