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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

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8. The Periodic Table

0/19

9. Metals

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10. Air and the Environment

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11. Organic Chemistry

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Quiz

11.3 Alkanes – Check yourself

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Alkanes Combined Science Chemistry check yourself quiz: free practice for Combined Science (chemistry). Work through this Alkanes Combined Science Chemistry check yourself quiz and get instant feedback on every answer. If you get stuck, review the 11.3 Alkanes — Notes lesson. More practice: Combined Science (chemistry) — all units. Syllabus: Cambridge IGCSE qualifications.

  • Questions count: 11
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which statement best describes Complete combustion?
Which statement best describes Complete combustion?
Long chain formed from alkene monomers.
Gives CO₂ and H₂O.
Species with an unpaired electron.
Orange → colourless with alkenes.
2.
According to the comparison table in this lesson, what is the Alkenes of Bonding?
According to the comparison table in this lesson, what is the Alkenes of Bonding?
Alkanes vs alkenes
High
Diol formed (cold) / cleavage (hot)
σ + π (C=C)
Addition → alcohol
3.
Which statement best describes Bromine water test?
Which statement best describes Bromine water test?
H adds to the carbon with more H atoms.
Orange → colourless with alkenes.
Breaking long alkanes into shorter alkanes and alkenes.
Gives CO₂ and H₂O.
4.
In the sequence covered in this lesson, which step comes immediately after Br⁻ attacks?
In the sequence covered in this lesson, which step comes immediately after Br⁻ attacks?
Attack δ+ Br
Alkene π electrons
Carbocation
Dibromoalkane
5.
Which key term matches this description: "Species with an unpaired electron."
Which key term matches this description: "Species with an unpaired electron."
Addition polymer
Markovnikov’s rule
Free radical
Cracking
6.
Which step comes first in the sequence covered in this lesson?
Which step comes first in the sequence covered in this lesson?
Carbocation
Attack δ+ Br
Dibromoalkane
Alkene π electrons
7.
According to the comparison table in this lesson, what is the Alkenes of Reactivity?
According to the comparison table in this lesson, what is the Alkenes of Reactivity?
Alkanes vs alkenes
Electrophilic addition
High
σ + π (C=C)
Addition → alkane
8.
Complete the statement: Alkenes decolourise ______.
Complete the statement: Alkenes decolourise ______.
bromine water
Free radical
Alkane
Markovnikov’s rule
9.
The general formula of alkanes is:
CnH2n+2
CnH2n
CnH2n−2
CnH2n+1OH
10.
Alkanes are described as saturated because they:
Dissolve in water
Contain double bonds
Are acidic
Contain only single C–C bonds
11.
Complete combustion of methane produces:
Carbon dioxide and water
Ethanol
Hydrogen
Carbon monoxide only
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Part of 11. Organic Chemistry — see every lesson and quiz in this unit.
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