Question

Fill in the blanks :
1. Metals are good _______ of heat and electricity.
2. Copper is replaced by_______and blue solution turns green .
3. Platinum is a________
metal.
4. Bronze contains copper,__________
and__________metals.
5. 24 carat stands for_______
pure gold.
6. A less reactive metal cannot replace___________
metal.
please help me​

Answer 1

Answer:

1. Conductor

2 Ans- When an iron nail immersed in the solution of copper sulphate than iron displaces copper from the solution of copper sulphate because iron is more reactive than copper. Therefore copper sulphate solution colour changes from blue to pale green.

3.silver-white

4.aluminium, manganese, nickel or zinc

5.100%

6.more reactive

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Explanation:

Answer 2

Answer:

1) conductor

2) copper sulphate

3) silver white

4) Aluminium, nickel, zinc

5) purity

6) a more reactive metal

Explanation:

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