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- 1. Multiple Choice
Identify the insoluble substance
E
D
B
C
- 2. Multiple Choice
Identify the method of separation shown in the set-up
Simple distillation
Evaporation
Crystallisation
Fractional distillation
- 3. Multiple Choice
Which of the following does not undergo sublimation
Copper (II) sulphate
Anhydrous Iron (II) chloride
Benzoic acid
Aluminium chloride
- 4. Multiple Choice
Identify elements present in Ammonia
Nitrogen and Carbon
Nitrogen and Oxygen
Carbon and Oxygen
Nitrogen and Hydrogen
- 5. Multiple Choice
Identify the symbol of Copper
Co
C
Cu
Fe
- 6. Multiple Choice
Identify an element whose symbol is Hg
Mercury
Hydrogen
Gold
Silver
- 7. Multiple Choice
What is the Latin name of Lead?
Ledum
Ferrum
Natrium
Plumbum
- 8. Multiple Choice
Give the product of Sulphur + Oxygen
Sulphur oxygen
Sulphur phosphate
Sulphur (IV) oxide
Sulphur sulphide
- 9. Multiple Choice
Which of the following is not true about permanent chemical changes?
New substances are formed
The change can be reversed
The change is irreversible
Heat energy is released or absorbed
- 10. Multiple Choice
What is melting point?
Change of solid to liquid
Change of solid to gas
It is a constant temperature at which a pure solid changes to a liquid
A process of heating solid so that it changes to a liquid
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