Question

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Answer 1

Answer:

4 solids

2 malleability

3 acidic

Answer 2

1. Some metals react with acids and evolve hydrogen gas.

2. The property of changing the metals into sheets is known as malleability.

3. Generally non-metallic oxides are Acidic in nature.

4. Maximum metals are obtained in the state of solid.

5. Silver and gold are the metals that do not react with air.

6. The ability of materials to produce a particular sound when it is dropped on the hard surface is termed as sonorousness.

7. The piece of ice floats on surface of the water with a "hissing" sound.

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