CHEMISTRY FORM 1
i Common Chemistry Laboratory Chemicals
ii Common Chemistry Laboratory Apparatus
iii Safety in the Chemistry Laboratory
iv Why we should learn Chemistry
1. INTRODUCTION TO CHEMISTRY
- 1.1 What is matter?
- 1.2 What is Chemistry?
- 1.3 What does matter consist of?
- 1.4 Are the particles in matter stationary?
- 1.5 Arrangement, distance, and attraction between particles
- 1.6 Properties of matter (volume, shape and compression)
- 1.7 Conductors and non-conductors
- 1.8 Sources of heat
- 1.9 Bunsen burner
- 1.10 Role of Chemistry in society
2. SIMPLE CLASSIFICATION OF SUBSTANCES AND SEPERATION OF MIXTURES
- 2.1 Pure substances
- 2.2 Mixtures
- 2.3 Separation of Mixtures
- 2.4 Separation of solid-solid mixture
- 2.5 Separation of insoluble solid-liquid mixture
- 2.6 Separation of soluble solid-liquid mixture (solution)
- 2.7 Separation of immiscible liquid-liquid mixture
- 2.8 Separation of miscible liquid-liquid mixtures (solution)
- 2.9 Separation of a liquid-gas mixture
- 2.10 Selecting and using appropriate methods of separating mixtures
- 2.11 Kinetic theory of matter
- 2.12 Classification by physical states
- 2.13 Effect of heat on physical states
- 2.14 Effect of impurities on melting and boiling points
- 2.15 Permanent and non-permanent changes
- 2.16 Definitions, chemical symbols and equations
3. ACIDS, BASES AND INDICATORS
- 3.1 Simple acid-base indicators
- 3.2 Universal indicators and pH scale
- 3.3 Reactions of acids with metals
- 3.4 Reactions of acids with carbonates and hydrogen-carbonates
- 3.5 Reactions of acids with bases
- 3.6 Effects of acids on substances
- 3.7 Applications of acids and bases
4. AIR AND COMBUSTION
- 4.1 Composition of Air
- 4.2 Fractional distillation of liquid air
- 4.3 Rusting
- 4.4 Oxygen
- 4.5 Burning of substances in air
- 4.6 Atmospheric pollution
5. WATER AND HYDROGEN
- 5.1 Candle wax and water
- 5.2 Reactions of metals with liquid water
- 5.3 Reaction of metals with steam
- 5.4 Preparation of hydrogen gas
Simple Classification of Substances and Separation of Mixtures: Effect of heat on physical states
2.0 Simple Classification of Substances and Separation of Mixtures
2.13 Effect of heat on physical states
Open the video below, effect of heat on physical states
- The changes that occur during heating and cooling can be summarized as follows.
A------- B------ C------D ------- or -------
- Identify the direction which represents heating in this diagram (whether from right to left or the other way round).
- Name the physical states labelled K and L. K --- L ---
- Name the processes represented by A to D.
- For process C, state the corresponding possible names of K.
- Explain in terms of the kinetic theory the changes that occur during process
- A ------------
- B ------------
- C ------------
- D ------------
- For some substances, the solid state changes directly to L.
- Name the process in which a substance changes directly from solid to L.
- Name three substances which behave in the manner described.
- State the process that involves change from L directly to solid.
- What is the general name of the solid formed directly from L?
Answers to Questions 2.13