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JulijaS [17]
3 years ago
8

Please help.

Chemistry
1 answer:
ser-zykov [4K]3 years ago
6 0

Answer:

1. a series of steps 2. experiment

Explanation:

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What evidence do you see that a chemical reaction is taking place when you add hydrogen peroxide to potassium ioxide??
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Answer:

Bubbling/Foaming

Heat is produced

Explanation:

A chemical reaction has occurred if

1. There is a change in colour

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The beaker/test tube/whatever you used should also become warm because it is an exothermic reaction. This means its a chemical reaction

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What is the difference between a physical change and a chemical change? (2 points)
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Example

If you tear or shred a piece of paper it is still paper, but if you pour chemicals on it it will probably change to something else.

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Explanation:

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Answer:

False

Explanation:

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