Q1: Which of the following statements are True? Tick any one

1. Matter has particles, separated by some distance
2. Matter can be classified based on Physical States and Composition
3. Solids have lesser inter molecular space but greater molecular attraction
4. All above are True

Q2: Which of the following statements are True? Tick any one

1. Two liquids can always defuse.
2. Two liquids can diffuse depending on their characteristics.
3. When two solids are kept in contact they diffuse into one another.

Q3: When one table spoon of common salt is mixed with one litre of water in a beaker, what is observed? (Tick the right multiple answers)

1. The Salt floats over water
2. The salt mixes with water but the salt particles are visible
3. Salt mixes with water and becomes invisible.
4. The salt particles occupy intermolecular spaces in water and is not visible.

Q4: Match the following

Answers to Worksheet No 1

• Q1: (d)
• Q2: (b)
• Q3: (c) and (d)
• Q4: (a) – (iii), (b) – (i), (c) – (ii)