K
Kaitlyn.
Guest
Consider the following properties:
I) Objects made of silver become tar-
nished.
II) The red color of rubies is due to the
presence of chromium ions.
III) The boiling point of ethanol is 78◦C.
Which is/are physical?
1. I and II only
2. I only
3. I, II and III
4. III only
5. II only
6. II and III only
7. I and III only
8. None of these
I) Objects made of silver become tar-
nished.
II) The red color of rubies is due to the
presence of chromium ions.
III) The boiling point of ethanol is 78◦C.
Which is/are physical?
1. I and II only
2. I only
3. I, II and III
4. III only
5. II only
6. II and III only
7. I and III only
8. None of these