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tester [92]
3 years ago
9

Which statements are true about physical changes? Select all that apply.

Chemistry
1 answer:
Vadim26 [7]3 years ago
6 0

Answer:

a

Explanation:

because physical changes are reversible while chemical changes are irreversible

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look good w small changes below:

Answer:  


AB is an ionic compound. The electronegativity difference between A and B is greater.  


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6 0
3 years ago
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shusha [124]

Answer:

Correct option is

B

5 liters of CH

4

(g)NO

2

at STP

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5

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A

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A) 5ℊ of H

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5

mol=

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5

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A

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4

=

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5

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22.4

5

N

A

molecules

C) 5 mol of O

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O

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D) 5×10

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7 0
3 years ago
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Karo-lina-s [1.5K]

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hbzjaj

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