Questions

Assertion & Reason

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5 questions · timed · auto-graded

Question 11 Mark
Assertion: Oxygen is a compound.
Reason: Oxygen cannot be broken down into anything simpler.
  • Both assertion and reason are true and reason is the correct explanation of assertion.
  • Both assertion and reason are true, but reason is not the correct explanation of assertion
  • Assertion is true but reason is false
  • Assertion is false but reason is true.
Answer
Both assertion and reason are true and reason is the correct explanation of assertion.
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Question 21 Mark
Assertion: Mercury is solid in room temperature.
Reason: Mercury is a non-metal.
Answer
Both statements are false.
Correct statement:
  1. Mercury is liquid at room temperature.
  2. Mercury is a metal.
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Question 31 Mark
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
  • Both assertion and reason are true and reason is the correct explanation of assertion.
  • Both assertion and reason are true, but reason is not the correct explanation of assertion
  • Assertion is true but reason is false.
  • Assertion is false but reason is true.
Answer
Both assertion and reason are true and reason is the correct explanation of assertion.
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Question 41 Mark
Assertion: Air is a compound.
Reason: Air consists of carbon dioxide.
Answer
Both statements are false.
Correct statement:
  1. Air is a mixture of gases.
  2. Air consists of Nitrogen Oxygen, CO,, other noble gases.
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Question 51 Mark
Assertion: Hydrogen is an element.
Reason: Hydrogen cannot be broken down into anything simpler.
  • Both assertion and reason are true and reason is the correct explanation of assertion
  • Both assertion and reason are true, but reason is not the correct explanation of assertion.
  • Assertion is true but reason is
  • Assertion is false but reason is true.
Answer
Both assertion and reason are true and reason is the correct explanation of assertion
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Assertion & Reason - Science STD 7 Questions - Vidyadip