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Q.

Is it true that mixing baking powder with water is a physical change?

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a

True

b

False

answer is B.

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Detailed Solution

  • The given statement is false.
  •  When baking powder (which is a mixture of baking soda and acid) is mixed with water, it produces a gas called carbon dioxide.
  • This is a chemical change because a completely new substance is formed due to the chemical reaction.
  • The correct statement would be - Mixing the baking powder with water is a chemical change.

 

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