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Course: Combined Science 0653 — Chemistry
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Combined Science 0653 — Chemistry

1. Experimental Chemistry

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2. The Particulate Nature of Matter

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3. Formulae, Stoichiometry and the Mole Concept

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4. Electrolysis

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5. Energy from Chemicals

0/6

6. Chemical Reactions

0/21

7. Acids, Bases and Salts

0/16

8. The Periodic Table

0/19

9. Metals

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10. Air and the Environment

0/11

11. Organic Chemistry

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Quiz

11.4 Alkenes – Check yourself

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Alkenes Combined Science Chemistry check yourself quiz: free practice for Combined Science (chemistry). Work through this Alkenes Combined Science Chemistry check yourself quiz and get instant feedback on every answer. If you get stuck, review the 11.4 Alkenes — Notes lesson. More practice: Combined Science (chemistry) — all units. Syllabus: Cambridge IGCSE qualifications.

  • Questions count: 8
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which step comes first in the sequence covered in this lesson?
Which step comes first in the sequence covered in this lesson?
Cracking
Addition reactions
Alkane (long chain)
Shorter alkane + alkene
2.
Which statement best describes Hydration?
Which statement best describes Hydration?
Two molecules join to form one product.
Unsaturated hydrocarbon with a C=C double bond; CnH2n.
Orange → colourless with alkenes.
Alkene + steam → alcohol (H₃PO₄, 300 °C, 60–70 atm).
3.
According to the comparison table in this lesson, what is the Equation of Ethene (many)?
According to the comparison table in this lesson, what is the Equation of Ethene (many)?
Addition reactions of ethene
C₂H₄ + H₂ → C₂H₆
C₂H₄ + H₂O → C₂H₅OH
n C₂H₄ → (C₂H₄)n
C₂H₄ + Br₂ → C₂H₄Br₂
4.
According to the comparison table in this lesson, what is the Product of Bromine?
According to the comparison table in this lesson, what is the Product of Bromine?
Addition reactions of ethene
Ethanol
Poly(ethene)
1,2-dibromoethane
Ethane
5.
Which statement best describes Bromine water test?
Which statement best describes Bromine water test?
Alkene + H₂ → alkane (Ni catalyst).
Contains a C=C double bond.
Unsaturated hydrocarbon with a C=C double bond; CnH2n.
Orange → colourless with alkenes.
6.
Complete the statement: Alkenes decolourise ______.
Complete the statement: Alkenes decolourise ______.
Unsaturated
Hydration
bromine water
CnH2n
7.
Which key term matches this description: "Contains a C=C double bond."
Which key term matches this description: "Contains a C=C double bond."
Alkene
Unsaturated
Hydrogenation
Bromine water test
8.
Which test distinguishes an alkene from an alkane?
Bromine water decolourises
Litmus turns red
Glowing splint relights
Limewater turns milky
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Part of 11. Organic Chemistry — see every lesson and quiz in this unit.
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