Question

Fill in the Blanks.

1. _______________changes are permanent.

2.Rust in _______________colour.

3._______________metal is the cheapest and most easily available metal.

4.Zinc metal on iron objects is called __________________.

5. molten iron + carbon + chromium + nickel =_______________

6.Crystallisation is an example of a ___________________change.​

Answer 1

$hello$

1. Chemical.

2. Orange - brown.

3. Iron.

4. Galvanization.

5. Alloy.

6. Chemical .

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Answer 2

Answer:

Hey mate here is your answer.

1.Chemical changes are permanent.

2.Rust in orange-brown colour.

3. Iron metal is the cheapest and most easily available metal.

4.Zinc metal on iron objects is called Galvanization .

5.Molten iron + carbon + chromium + nickel = Alloy.

6.Crystallisation is an example of a chemical change.

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