Question

Solve the following crossword puzzle with the help of clues given alongside.

Across
2. Conversion of a solid into its liquid state (7)
6. A solute on addition to a solvent forms this (8)
8. Elongation in an object (9)
9. A change that can go back to its initial stage (10)
10. A solution in which no more solute can be added (9)
11. A change that cannot go back to its initial state (12)
Down
1. Conversion of a liquid into its solid state (8)
3. Their solubility decreases with increase in temperature (5)
4. Not to be able to dissolve (9)
5. A component of solution present in large amount (7)
7. A factor due to increase of which solubility of solid increases (11)

Accepted Answer

1. Conversion of a liquid into its solid state is called freezing.

2. Conversion of a solid into its liquid state is called melting.

3. Solubility of gases decreases with increase in temperature.

4. The substances that are not able to dissolve are called insoluble substances.

5. Solvent is present in large amount in a solution.

6. A solute on addition to a solvent forms a solution. Solvent is present in large amount than solvent.

7. When temperature increases solubility of solid also increases.

8. Elongation in an object is called expansion.

9. A change that can go back to its initial stage is called reversible change.

10. A solution in which no more solute can be added is called a saturated solution.

11. A change that cannot go back to its initial state is called an irreversible change.

The completed puzzle is:

Neha Sharma, Ajoy Ghatak and, Akanksha Dudpuri Solutions for Chapter: How Things Change, Exercise 4: DO AND LEARN

Neha Sharma Science Solutions for Exercise - Neha Sharma, Ajoy Ghatak and, Akanksha Dudpuri Solutions for Chapter: How Things Change, Exercise 4: DO AND LEARN

Questions from Neha Sharma, Ajoy Ghatak and, Akanksha Dudpuri Solutions for Chapter: How Things Change, Exercise 4: DO AND LEARN with Hints & Solutions

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