True or False
1. The formation of bubbles indicates the release of gas.
2. A catalyst speeds up a chemical reaction.
3. Yeast is not a catalyst.
4. Hydrogen peroxide is a stable compound, so it does not dissolve in water.
5. In the decomposition of hydrogen peroxide, the end product is only water.
1. The formation of bubbles indicates the release of gas.
2. A catalyst speeds up a chemical reaction.
3. Yeast is not a catalyst.
4. Hydrogen peroxide is a stable compound, so it does not dissolve in water.
5. In the decomposition of hydrogen peroxide, the end product is only water.
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Answer:
1.True
2.True
3.False
4.True
5.False
Explanation:
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