300+ TOP MCQs on Corrosion and Answers

NEET  Chemistry is the very imporatant paper in the Medical Entrance EXAM. So these NEET Chemistry MCQs with Answers for all Concepts as per the new syllabus. Practice daily with these NEET Chemistry objective questions on air pollution. NEET Chemistry Corrosion Multiple Choice Questions

MCQs on Corrosion :

1. Which of the following methods is not used for the prevention of corrosion?
(A) greasing
(B) painting
(C) plating
(D) Heating

Answer

Answer: (d)

2. Widening of a river valley takes place due to
(A) corrosion
(B) lateral erosion
(C) corrasion
(D) hydraulic action

Answer

Answer: (b)

3. Elements which have properties of metals and nonmetals are
(A) amorphous
(B) crystalline
(C) metalloids
(D) metals

Answer

Answer: (c)

4. Corrosion can be prevented by
(A) alloying
(B) tinning
(C) galvanizing
(D) all of the above

Answer

Answer: (d)

5. Galvanic cells are also named as
(A) electrolytic cells
(B) battery cells
(C) daniel cells
(D) john cells

Answer

Answer: (a)

6. Voltaic cells generate electricity by
(A) spontaneous redox reaction
(B) non spontaneous redox reaction
(C) sublimation reaction
(D) thermochemical reaction

Answer

Answer: (a)

7. Galvanization is a method to
(A) protect the iron metal from corrosion
(B) extract iron from its ore
(C) protect food from rancidity
(D) improve the ductility property of the metal

Answer

Answer: (a)

8. Rusting of iron could take place in
(A) distilled water
(B) ordinary water
(C) distilled and ordinary water
(D) none of the above

Answer

Answer: (c)

9. Which of the following non-metals is liquid at the room temperature?
(A) iodine
(B) bromine
(C) carbon
(D) sulphur

Answer

Answer: (b)

10. During roasting which of the following poisonous gas is mainly produced
(A) CO
(B) CO₂
(C) SO₂
(D) N₂O

Answer

Answer: (c)