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Assertion: Gastrectomy can lead to iron-...

Assertion: Gastrectomy can lead to iron-deficiency or anaemia.
Reason: HCl of gastric juice converts `Fe^(3+)` into `Fe^(2+)` which makes iron absorbabale.

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).

B

If both Assertion is true but the reason is not the correct explanation of the assertion, then mark (2).

C

If Assertion is true statement but Reason is false, then mark (3).

D

If both Assertion and Reason are false statements, then mark (4).

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • Assertion. The total content of iron in an adult body is 3.5 gram. The iron deficiency lead to anaemis. Reason. Iron (Fe^(2+)) combines with the pigment porphyrin to form heme.

    A
    If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
    B
    If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
    C
    If Assertion is true but the Reason is false.
    D
    If both Assertion and Reason are false.

  • Assertion (A) : Galvanized iron does not rust. Reason (R): Zn has a more negative electrode potential than Fe .

    A
    If both `(A)` and `(R)` are correct, and `(R)` is the correct explanation of `(A)`.
    B
    If both `(A)` and `(R)` are correct, but `(R)` is not the correct explanation of `(A)`.
    C
    If `(A)` is correct, but `(R)` is incorrect.
    D
    If `(A)` is incorrect, `(R)` is correct.

  • Assertion : Fe^(2+) has 3de electronic configuration. Reason : Electrons are lost from 4s-orbital to form Fe^(2+) ion.

    A
    Assertion and reason both are correct statements and reason is correct explanation for assertion.
    B
    Assertion and reason both are correct statements but reason is not correct explanation for assertion.
    C
    Assertion is correct statement but reason is wrong statement.
    D
    Assertion is wrong statement but reason is correct statement

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    Assertion : Following reaction describes the rusting of iron and is a redox reaction 4Fe+3O_(2)to4Fe^(3+)+6O^(2-) . Reason : The metallic iron is oxidised to Fe^(3+),andO_(2) is reduced to O^(2-) .

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