Question

Fill in the blanks:
1. A _______ change takes place during the melting of ice.
2. We can change water into ice by ________ .
3. Rusting makes the iron objects _________ .
4. The process of depositing a layer of zinc metal on iron objects is called _________ .
5. _________ are the purest solid form of a substance with a definite geometrical shape.​

Answer 1

Answer:

1. physical

2. freezing it

3. brown

4. galvinization

5. metals in solid

Answer 2

1. Physical

2. Freezing

3. Turn Reddish Brown

4. Galvanisation

5. Crystals