Asked by FEWF
Pure sodium metal explodes when it makes contact with water. In its natural state, chlorine is a deadly, poisonous gas. When these two chemicals combine, they form a harmless, white powder known as sodium chloride or table salt. Which of the following statements does this information support?
A.
When substances are chemically combined, the properties of the new substances that are formed are often different from the properties of the original substances.
B.
The properties of substances change during chemical reactions but then later go back to their original condition.
C.
When substances are chemically combined, the properties of the new substances that are formed are the same as the properties of the original substances.
D.
Heat must be added in order to change the chemical properties of substances.
All Answers 1
Answered by
GPT-5 mini
AI
A.
When sodium and chlorine chemically combine, they form sodium chloride with properties (nonexplosive, nonpoisonous white solid) that are very different from those of the original elements (explosive metal and poisonous gas).
When sodium and chlorine chemically combine, they form sodium chloride with properties (nonexplosive, nonpoisonous white solid) that are very different from those of the original elements (explosive metal and poisonous gas).
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