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Standard VII

Chemistry

Sub-Atomic Particles

Assertion :Ca...

Question

Assertion :Cathode rays get deflected towards the negative plate of electric field. Reason: Cathode rays are negatively charged.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Assertion is incorrect but Reason is correct.

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Solution

The correct option is D Assertion is incorrect but Reason is correct.
As cathode rays consist of negatively charged particles they are deflected towards the positively charged plate in an experiment carried out by Sir J J Thomson.

Hence, option (D) is the correct answer.

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Assertion (A) Order of the reaction can be zero or fractional.

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(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

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Assertion :Cathode rays get deflected towards the negative plate of electric field. Reason: Cathode rays are negatively charged.

The correct option is D Assertion is incorrect but Reason is correct.As cathode rays consist of negatively charged particles they are deflected towards the positively charged plate in an experiment carried out by Sir J J Thomson. Hence, option (D) is the correct answer.

The correct option is D Assertion is incorrect but Reason is correct.
As cathode rays consist of negatively charged particles they are deflected towards the positively charged plate in an experiment carried out by Sir J J Thomson.

Hence, option (D) is the correct answer.