Question

Which of these is an example of a physical property? A. Iron rusts when exposed to air. B. Table salt is a white crystal. C. Sodium oxidizes in air. D. Potassium ignites when placed in water.

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Answer 1

Table salt is a white crystal.

Step-by-step explanation:

• Iron rusts when exposed to air,Sodium oxidizes in air,Potassium ignites when placed in water.
• These all are irreversible reaction .

What is physical change ?

• When a substance change its physical state
• No new chemical is formed
• Examples :- Boling of water, melting of solids, shredding of paper.