May 2021 5 443 Report
Chemistry homework on Physical changes!?

Consider the following properties:

I) The boiling point of ethanol is 78◦C.

II) Objects made of silver become tar-


III) The red color of rubies is due to the

presence of chromium ions.

Which is/are physical?

1. I only

2. II only

3. II and III only

4. III only

5. None of these

6. I and III only

7. I and II only

8. I, II and III

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