Question

B. Fill in the blanks:
1. The property which allows the metals to be drawn into wires is called
2. Copper loses its shine due to the formation of
3.
is the hardest known substance in nature.
4.
is a non-metal which is a good conductor of electricity.
5. Hydrogen burns in air with
sound.​

Answer 1

Explanation:

1. ductility
2. layering on copper and effect of sun
3. diamond
4. graphite
5. pop sound

Answer 2

Answer:

1. Ductility

2. Copper Oxide

3. Diamond

4. Graphite

5. Pop sound

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