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Class 10 Chemistry Chapter 14 Class Test 4 | Punjab Board 2027 Model Papers
Class 10 Chemistry Chapter 14 Topic 14.6 to 14.9 Model Papers
Prepare for your exams with the Class 10 Chemistry Chapter 14 Class Test 4, covering States of Matter and Phase Changes, Topics 14.6 to 14.9. These Punjab Board 2027 Model Papers help students revise important chemistry concepts, practise chapter-wise test questions, and improve their exam preparation. Use this Class 10 Chemistry test for effective revision, self-assessment, and preparation for the Punjab Board Annual Examinations 2027.
Chapter Wise Class Test
T-4
Chapter-14
States of Matter and Phase Changes
1.
The scented substance in a solid air freshener changes directly into:
2.
During sublimation printing, the ink changes from:
3.
Doubling the number of collisions of gas molecules with the container walls will result in:
4.
If the amount of gas in a container is increased while temperature remains constant, the pressure will:
5.
When the pressure on the trapped air was doubled, its volume became:
6.
According to kinetic theory, at constant temperature all gas molecules have the same:
7.
The diffusion of medicines between the stomach and intestine controls:
8.
Diffusion in drug delivery ensures that medicines:
Chapter Wise Class Test
T-4
Chapter-14
States of Matter and Phase Changes
2. Write short answers to any six (6) questions.
[6 × 2 = 12]
(i)
What is sublimation printing?
(ii)
Why sublimation printing produces permanent designs.
(iii)
Why the pressure of a gas increases when its volume is decreased at constant temperature?
(iv)
How does kinetic theory explain the upward movement of the piston when a gas is heated?
(v)
How kinetic theory supports Avogadro’s law?
(vi)
How does Boyle’s experiment verify Boyle’s law?
(vii)
How does temperature affect the rate of diffusion of gases?
(viii)
How does diffusion affect the absorption of orally taken medicines?
(ix)
According to kinetic theory of gases, why ammonia gas diffuse faster than hydrochloric acid?
Note: Attempt any one question.
[5 × 1 = 5]
3.
Explain Boyle’s Law according to the kinetic particle theory.
Write its mathematical equation.
4.
What do you know about the importance of rate of diffusion of medicines in human body?
