Pure sodium metal explodes when it makes contact with water. In its natural state, chlorine is a deadly, poisonous gas. When the

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2 years ago

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Pure sodium metal explodes when it makes contact with water. In its natural state, chlorine is a deadly, poisonous gas. When the

se 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. The properties of substances change during chemical reactions but then later go back to their original condition. B. Heat must be added in order to change the chemical properties of substances. C. When substances are chemically combined, the properties of the new substances that are formed are often different from the properties of the original substances. D. When substances are chemically combined, the properties of the new substances that are formed are the same as the properties of the original substances.
I think it's D but I'm not sure

Chemistry

2 answers:

RideAnS [48] · Answer 1 · 2022-02-23T20:26:52+03:00

RideAnS [48]2 years ago

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marin [14] · Answer 2 · 2022-02-23T21:29:40+03:00

Answer: C. When substances are chemically combined, the properties of the new substances that are formed are often different from the properties of the original substances

Explanation: In chemical reactions, the substances combine and undergo rearrangement to form new substances and the new substances formed have different properties than the combing substances.

$2Na(s)+Cl_2(g)\rightarrow 2NaCl(s)$

In the given chemical reaction, Na in solid state and a reactive metal combines with gaseous and poisonous chlorine but in stable form to give sodium chloride which is salt and is non toxic.