d. Which one is an example of combus-
tible substances
1. natural gas
2.glass prices
3.iron nails
4.none of the above
Answers
Answered by
2
Answer:
Examples of pure substances include tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate). Crystals, in general, are pure substances.
Answered by
0
Answer:
1 is correct
Explanation:
natural gas
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