Question

B. Fill in the blanks.
1. Cutting of wood is a
change.
2.
changes are usually irreversible in nature.
3. Browning of apple slices is a
change.
4. Structures having a regular pattern of arrangement of particles are called
5. The chemical name of rust is
6. Painting on iron articles prevents them from claas 7th one word answers​

Answer 1

Question

1. Cutting of wood is a____change.

2._____changes are usually irreversible in nature.

3. Browning of apple slices is a_____change.

4. Structures having a regular pattern of arrangement of particles are called_____

5. The chemical name of rust is_____

6. Painting on iron articles prevents them from ______

Answer

1. Cutting of wood is a chemical change.

2.Chemical changes are usually irreversible in nature.

3. Browning of apple slices is a chemical change.

4. Structures having a regular pattern of arrangement of particles are called crystalline solids

5. The chemical name of rust is $\small\rm\underline{Fe_{2}O_{3}XH_{2}O}$

6. Painting on iron articles prevents them from corrosion

Answer 2

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1. Cutting of wood is a chemical change.

2.Chemical changes are usually irreversible in nature.

3. Browning of apple slices is a chemical change.

4. Structures having a regular pattern of arrangement of particles are called crystalline solids

5. The chemical name of rust is

$\small\rm\underline{Fe_{2}O_{3}XH_{2}O}$

6. Painting on iron articles prevents them from corrosion