Question

3 . fill in the blanks
1. A _______ substance has only one kind of particles .
2. the_______in a mixture may be present in any ratio or propagation .
3. A________consits of two or more elements combined together chemically .
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Answer 1

Answer:

1. .......

2. ..........

3. .............

Answer 2

Explanation:

1) pure

2)elements

3) compound