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Chemical Reactions CHEMISTRY - Chemical Reactions

ICSE - STD 8 - CHEMISTRY (ICSE - English Medium). 85 questions in this chapter.

Question types

Chemical Reactions question types

85 questions across 6 question groups — pick any mix to generate a CHEMISTRY paper with step-by-step answer keys.

85
Questions
6
Question groups
5
Question types
Sample Questions

Chemical Reactions questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 26MCQ1 Mark
Miscible liquids having slightly different boiling points can be separated by the
  • A
    evaporation
  • B
    distillation
  • ✓
    fractional distillation
  • D
    sedimentation

Answer: C.

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Q 27MCQ1 Mark
Reduction is a chemical reaction in which there is
  • A
    removal of hydrogen
  • ✓
    removal of oxygen
  • C
    addition of oxygen
  • D
    none of these

Answer: B.

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Q 28MCQ1 Mark
Compounds, which in their molten state allow an electric current to pass through them are called
  • ✓
    electrolytes
  • B
    non$-$electrolytes
  • C
    non$-$conductors
  • D
    none of these

Answer: A.

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Q 29MCQ1 Mark
Which of the following is a reducing agent?
  • A
    oxygen
  • B
    chlorine
  • ✓
    hydrogen
  • D
    none of these

Answer: C.

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Q 30MCQ1 Mark
Reduction reaction is the exact opposite of
  • A
    displacement reaction
  • B
    decomposition reaction
  • ✓
    oxidation reaction
  • D
    none of these

Answer: C.

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