SS1: CHEMISTRY – 1ST TERM
- Introduction to Chemistry and Laboratory Apparatus | Week 15 Topics|1 Quiz
- Nature of Matter | Week 23 Topics|1 Quiz
- Separation Techniques I | Week 31 Topic|1 Quiz
- Separation Techniques II | Week 45 Topics|1 Quiz
- Particulate Nature of Matter I | Week 55 Topics|1 Quiz
- Particulate Nature of Matter II | Week 69 Topics|1 Quiz
- Symbols, Formulae & Oxidation Number | Week 77 Topics|1 Quiz
- Laws of Chemical Combination | Week 84 Topics|1 Quiz
- Chemical Equation & Chemical Combination (Chemical Bonding) I | Week 94 Topics|1 Quiz
- Chemical Combination (Chemical Bonding) II | Week 104 Topics|1 Quiz
- Chemical Combination (Chemical Bonding) III & Shapes of Covalent Molecules | Week 113 Topics|1 Quiz
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- Question 1 of 10
1. Question
Sugar is separated from its impurities by
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2. Question
A mixture of petrol and water can be separated through _____
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3. Question
Chlorophyll obtained from green leaves of plants can be shown to be composed of more than one coloured component by the technique of ____
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4. Question
Which of the following is not a criterion for purity of a substance
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5. Question
When a substance changes directly from solid-state to a gaseous state, the substance is said to ____
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6. Question
A solid can be obtained from its saturated solution by
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7. Question
A compound U melts at 82ºC and boils at 113ºC. if U was found to be insoluble in water, a mixture of U in water could best be separated by
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8. Question
A mixture of oil and water can be easily separated by ________.
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9. Question
The order in which a mixture of sand ammonium chloride and sodium chloride can be separated is through
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10. Question
A substance is said to be impure if
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