Lesson 1, Topic 3
In Progress

Past paper questions

Lesson Progress
0% Complete

 Nov 2010 Q6 (ii) 

The Kinetic Theory explains the properties of matter in terms of the arrangement and movement of particles.

(a) Nitrogen is a gas at room temperature. Nitrogen molecules, N2, which are spread far apart move in a random manner at high speed

(ii) How does the movement and arrangement of the molecules in a crystal of nitrogen differ from those in gaseous nitrogen ?

Answer:

 

Anawer

May 2014 Q2 (b) 

Explain the following in terms of the kinetic particle theory.

(b) A liquid has a fixed volume but takes up the shape of the container. A gas takes up the shape of the container but it does not have a fixed volume

Answer:

Particles move in all directions in both liquids and gases and in gases no bonds between particles so gas molecules can move apart to fill the entire volume

Anawer

Nov 2015 Q1 (b) 

How could you show that a sample of water is pure?

Answer:

Boil it to 100OC

Anawer

Nov 2016 Q1 (a,b) 

Particles behave differently when in different physical states.

(a) 

Solids have no fixed volume and take the shape of the container. Describe the volume and shape of liquids

(b)

Complete the table to show the separation, arrangement and movement of particles in each physical state

Answer:

(a)

Fixed volume and take the shape of the container

(b)

 

Anawer

Nov 2018 Q1 (b) 

(b)

Describe the separation, arrangement and motion of particles of element X in the solid state

Answer:

Separation: Touching

Arrangement: Regular

Movement: Vibrate

Anawer