Question

C. Write True or False :
1. Magnesium burns with a pale blue flame.
2. Digestion of food is a chemical change.
3. Zinc oxide is yellow when hot and white when cold.
4. Iron sulphide (FeS) is not attracted by magnet.
5. Baking soda produces effervescence with vinegar.​

Answer 1

Answer:

1. false
2. true
3. not sure
4. false
5. not sure

Explanation:

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Answer 2

Answer:

1.False

2.True

3.true

4.False

5.True.

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