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Model Paper 9 — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceModel Paper 91 Mark
MCQ
Statement 1: Isobars have different chemical properties.
Statement 2: The sum of protons and neutrons in isobars is always different.
  • ✓
    Statement 1 is true and statement 2 is false.
  • B
    Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1
  • C
    Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
  • D
    Both statements 1 and 2 are false.
✓

Answer

Correct option: A.
Statement 1 is true and statement 2 is false.
(a) Statement 1 is true and statement 2 is false.
Explanation: Sum of protons and neutrons in isobars is same.

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