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0653 Combined Science IGCSE Chemistry Revision Chapter 1 to 3

Name: ......................................................................................................... Class: ..........................
Chemistry: Chapter 1 – 3 Revision
1. Use kinetic theory of matter and explain what happens to particles when
a) they gain energy
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b) they lose energy
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2. Water boiling point is 100°C and the freezing point is below 0°C. Draw heating curve and cooling
curve for water in the space provided:
Heating Curve
Cooling Curve
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3. Identify below as molecules, ions or atoms. Deduce if the diagram contain pure or not pure
substance.
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4. Record the data in the measuring devices below in the specified unit given
Device
Measurement
....................... mm
........................ °C
.............................. seconds
.......................... cm3
3
........................ g
5. State the separating technique used to separate the following mixture. You may use more than one
technique for certain mixtures.
a) Solid from solid : .........................................................................................................................
b) Solid from liquid : ........................................................................................................................
c) Liquid from liquid: ........................................................................................................................
6. a) Label the diagram below:
Number
Description
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2
3
4
5
6
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b) State two factors that is important in chromatography separation
Method 1: .........................................................................................
Method 2: .........................................................................................
c) Explain the importance to draw the sample lines in pencil
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7. a) Label the type of distillation below
b) Describe the differences between two distillation method above
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c) State the function of fractionating column
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d) Explain the main principals behind successful separation of crude oil (petroleum) into different
components.
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8. Outline the processes involved to make copper sulfate salt from copper oxide powder and sulfuric
acid solution.
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9. Identify solute, solvent and solution from the diagram below
10.
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11. The diagram below shows the lattice structure of NaCl.
a) Name the type of bond between Na and Cl
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b) write electronic configuration for
Na ions : ...........................................
Cl ions : ............................................
c) State the periodic group of
Na : ................................
Cl: .................................
d) Draw a dot-cross diagram to show the bond between Na and Cl in the space below:
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12. Draw dot-cross diagram to represent covalent bond for the molecules below:
Molecule
Diagram
H2
Cl2
H2O
CH4
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HCl
N2
C2H4
CH3OH
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CO2
13. Write the formula for ionic compounds below
Ion
F-
O2-
Br-
S2-
Se-2
P-3
N3-
Cl-
Li+
K+
Ca+2
Al+3
Zn (II) +2
Fe (III) +3
Hg (I) +
Pb (IV) +4
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