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Identify a chemical change and state one natural source of good drinking water.
Chemistry
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Answer
C
Here are the solutions to the questions:
G. Identify a chemical change in the following processes
A chemical change results in the formation of new substances.
- A. Melting of candle: This is a physical change (phase change from solid to liquid).
- B. Boiling of water: This is a physical change (phase change from liquid to gas).
- C. Rusting of iron: This is a chemical change where iron reacts with oxygen and water to form iron oxide (rust).
- D. Freezing of water: This is a physical change (phase change from liquid to solid). The correct option is C.
H. State one natural source of good drinking water.
Among the given options, a spring is generally considered
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