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Unit - 3.1 Elements and Compounds CHEMISTRY - Unit - 3.1 Elements and Compounds

ICSE - STD 7 - CHEMISTRY (ICSE - English Medium). 41 questions in this chapter.

Question types

Unit - 3.1 Elements and Compounds question types

41 questions across 7 question groups — pick any mix to generate a CHEMISTRY paper with step-by-step answer keys.

41
Questions
7
Question groups
5
Question types
Sample Questions

Unit - 3.1 Elements and Compounds questions

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

Q 1MCQ1 Mark
The symbolic representation of the molecule of a chemical compound is :
  • ✓
    formula
  • B
    symbol
  • C
    reactant
  • D
    product

Answer: A.

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Q 2MCQ1 Mark
The process of breaking down of a compound into elements is called :
  • A
    Synthesis
  • B
    Symbiosis
  • ✓
    Analysis
  • D
    Decombination

Answer: C.

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Q 24Match The Following.4 Marks
Column AColumn B
1. The symbolic representation of a molecule of a chemical compound.(a) 03
2. The symbolic representation of a molecule of ozone.(b) CuS
3. The symbolic representation of a molecule of nitric acid.(c) Formula
4. The symbolic representation of a molecule of copper sulphide.(d) HNO3
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Q 26Do as Directed.1 Mark
Statement are incorrect. write the correct statement:
The symbolic representation of a molecule of a compound is called symbol of that compound.
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