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What is a Physical Change ? Give Two Examples of Physical Changes. - Science

Short Note

What is a physical change ? Give two examples of physical changes.

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Solution

Physical change: These are changes in which no new substances are formed. These are temporary changes, which are easily reversible. The substance, which is involved in a physical change, does not lose its identity.

Examples:

  1. Water, if boiled, can be cooled and condensed.
  2. Mixing of iron fillings with sand is a physical change because they can be separated by a magnet.
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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 2 Is Matter Around Us Pure
Long Answers | Q 46.1 | Page 81
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