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Can you always tell by looking at a substance if it is pure or not? ​
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5 votes
Can you always tell by looking at a substance if it is pure or not? ​

User Richard Stokes
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1 Answer

5 votes

Answer:

nope

Step-by-step explanation:

bcoz every thing we look that isn't real. some substance are chemically changed and some are physically changed.if the physical change occurs then it is temporary change and if chemical change occurs it is permanent change.

Conclusion:I can think this much with my tiny mind.

THANK YOU

User Whizzil
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