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In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.
Assertion(A): Chlorofluorocarbons are responsible for ozone depletion.
Reason(R): Ozone level decrease by as much as 67% every year.
Assertion(A): Chlorofluorocarbons are responsible for ozone depletion.
Reason(R): Ozone level decrease by as much as 67% every year.
- a)Both assertion and reason are true and reason is the correct explanation of assertion.
- b)Both assertion and reason are true but reason is not the correct explanation of assertion.
- c)Assertion is true but reason is false.
- d)Both assertion and reason are false.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In the following question, a statement of Assertion(A) is given follow...
A slight thinning of ozone layer occurs naturally for a few months every year over Antarctica. It decreases by 67% every year.The primary chemicals responsible for ozone depletion are a group of chlorine containing compounds called Chloroflurocarbons (CFCs), used as coolants in air aonditioners and refrigerators and propellants for aerosol cans and form blowing agents for insulation and packaging and also as solvents. Besides halons, methyl bromide, methyl chloroform, carbon tetrachloride and nitorus oxide are also responsible for O3 loss. After their release into troposphere, CFCs and other chlorine containing compounds go to stratosphere where these are broken down by UV- radiations releasing chlorine. Similarly bromine is released by breakdown of halons and methly bromide. The sunlight catalyses the chemical reactions by which chlorine or bromine break O3 molecules and convert them into O2 molecules. This chemical reaction does not change chlorine or bromine and thus single chlorine or bromine atom can breakdown many thousands of O3 molecules.
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In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): Chlorofluorocarbons are responsible for ozone depletion.Reason(R): Ozone level decrease by as much as 67% every year.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct answer is option 'B'. Can you explain this answer?
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In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): Chlorofluorocarbons are responsible for ozone depletion.Reason(R): Ozone level decrease by as much as 67% every year.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): Chlorofluorocarbons are responsible for ozone depletion.Reason(R): Ozone level decrease by as much as 67% every year.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): Chlorofluorocarbons are responsible for ozone depletion.Reason(R): Ozone level decrease by as much as 67% every year.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct answer is option 'B'. Can you explain this answer?.
In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): Chlorofluorocarbons are responsible for ozone depletion.Reason(R): Ozone level decrease by as much as 67% every year.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): Chlorofluorocarbons are responsible for ozone depletion.Reason(R): Ozone level decrease by as much as 67% every year.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R). Read the statements carefully, and mark the correct answer.Assertion(A): Chlorofluorocarbons are responsible for ozone depletion.Reason(R): Ozone level decrease by as much as 67% every year.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct answer is option 'B'. Can you explain this answer?.
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