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Standard X
Chemistry
Factors Influencing Rate of a Reaction
Assertion:- R...
Question

Assertion:- Rusting of iron is faster in the coastal region as compared to the arid region.
Reason:- Moisture content in coastal area is more than the arid region.

A
Assertion:- True

Reason:- True

Reason is the correct explanation of assertion

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B
Assertion:- True

Reason:- False

Reason is not the correct explanation of assertion

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C
Assertion:- False

Reason:- False
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D
Assertion:- False

Reason:- True
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Solution

The correct option is A Assertion:- True

Reason:- True

Reason is the correct explanation of assertion


Rusting of iron depends on the two factors i.e. oxygen and moisture. In coastal areas amount of water vapour present in air (moisture) is quite high as compared to the arid region. Hence, rusting of iron is faster in the coastal region as compared to the arid region. Therefore, both the assertion and reason hold true and the reason is the correct explanation of assertion.

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Q. Assertion:- Rusting of iron is faster in the coastal region as compared to the arid region.
Reason:- Moisture content in coastal area is more than the arid region.
Q.

Assertion: Corrosion of iron is commonly known as rusting.

Reason: Corrosion of iron occurs in the presence of moist air.

(A) Both assertion and reason are false.

(B) Assertion is true, but the reason is false.

(C) Both assertion and reason are true. The reason is the correct explanation of assertion.

(D) Both assertion and reason are true. The reason is not the correct explanation of assertion.


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Q. Assertion: Strength of the acid or base decreases with dilution. Reason: Ionisation of an acid or a base increases with dilution. Options (1) Both Assertion and Reason are true and reason is the correct explanation of assertion. (2) Both Assertion and Reason are true but reason is not the correct explanation of assertion. (3) Assertion is true but Reason is false (4) Assertion is false but Reason is true
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Standard X Chemistry
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