Question

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Quick Check Up
Fill in the blanks with the correct words:
1. Most metals combine with
(oxygen/acid) to form metal oxides.
(Sodium/Magnesium) catches fire if left in open.
3. Rusting of iron is a/an
(desirable/undesirable) reaction.
4. Generally,
(metals/non-metals) do not react with acids.
5.
(Zinc/Gold) is used as a protective coating for iron.
2.​

Answer 1

Answer:

1. oxygen
2. sodium
3. undesirable
4. non metals
5. zinc

Answer 2

Answer:

1- acid

2-magnesium

3-an, undesarible

4- non metal

5-zinc