B. Label the properties P for physical or C for chemical.
... 1. Silver doesn't react with oxygen.
2. Iron oxides in the presence of oxygen.
3. Diamond is the hardest natural material known to man.
4. Sodium reacts with chlorine to form salt.
A
5. Talcum is a soft mineral.
6. Iron is a denser metal than aluminum.
7. Helium gas doesn't react to the presence of any other substances
Answers: 2
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B. Label the properties P for physical or C for chemical.
... 1. Silver doesn't react with oxygen....
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