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

Assertion : Haemoglobin contains iron. Reason : Iron deficiency leads to anaemia.

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.

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.

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

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

Assertion (A) : EDTA rectify the iron deficiency in plants growing in alkaline soil. Reason (R ) : Have to make iron a soluble complex by addding a chelating agent like EDTA (Ethylene Diamine Tetra Acetic acid to form Fe-EDTA ) and its used to rectify iron deficiency.