COMSATS Chemistry — States of Matter
States of Matter is part of the Chemistry section of the NTS NAT-IE test COMSATS admits on (10 of the 90 MCQs). It breaks into 2 subtopics, and we hold 31 NAT-pattern practice MCQs on it, each with a written explanation. Tap a subtopic below to practise just that.
Subtopics (2)
How States of Matter is tested
Across the 7 NAT-pattern papers on ParhaiKrlo, States of Matter accounts for 8 questions. It appears in all 7, about 1.1 questions a paper. The heaviest was COMSATS Past Paper 02, with 2 questions, and the most recent is COMSATS Past Paper 07, with 1.
| Paper | Questions |
|---|---|
| COMSATS Past Paper 07 | 1 |
| COMSATS Past Paper 06 | 1 |
| COMSATS Past Paper 05 | 1 |
| COMSATS Past Paper 04 | 1 |
| COMSATS Past Paper 03 | 1 |
| COMSATS Past Paper 02 | 2 |
| COMSATS Past Paper 01 | 1 |
States of Matter MCQs from the NAT-pattern papers
Try each one before opening the answer. Each comes with a short explanation.
- Q1 · COMSATS Past Paper 07 · States of Matter
Real gases deviate most from ideal gas behaviour at:
- A.low pressure and low temperature
- B.low pressure and high temperature
- C.high temperature only
- D.high pressure and low temperature
Show answer
Answer: D. high pressure and low temperature — At high pressure and low temperature, molecules are close and slow, so their volume and attractions matter.
- Q2 · COMSATS Past Paper 06 · States of Matter
The boiling point of a liquid decreases when:
- A.the external pressure decreases
- B.more liquid is added
- C.it is heated more quickly
- D.the external pressure increases
Show answer
Answer: A. the external pressure decreases — A liquid boils when its vapour pressure equals the external pressure; lower external pressure is reached at a lower temperature.
- Q3 · COMSATS Past Paper 05 · States of Matter
The volume occupied by one mole of an ideal gas at STP is:
- A.22.4 dm³
- B.2.24 dm³
- C.24 dm³
- D.1 dm³
Show answer
Answer: A. 22.4 dm³ — At 0 °C and 1 atm, one mole of an ideal gas occupies 22.4 dm³.