Question

(iii) Combination reaction
(iv) Double displacement reaction
(a) () only
(b) (11) only
(c) (ul) only
(d) (i) and (iv)
Which of the following statements is not true?
(a) Corrosion is a chemical change.
(b) Corrosion of iron is called rusting.
(c) Corrosion is enhanced by stains on metallic surface.
(d) Corrosion can take place in 'vacuum,
5. To prevent chips from getting oxidised, the bags of chips are flushed with
(a) hydrogen
(b) oxygen
(c) carbon dioxide
(d) nitrogen
1. Which of the following statements about the given reaction are correct?
3Fe(s) + 4H2O(g) Fe,O,(s) + 4H,(g)
(1) Iron metal is getting oxidised.
(ii) Water is getting reduced.​

Answer 1

Answer:

4 . (b)  5, (d) 1. ( a and b )

Explanation:

Answer 2

Answer:

c) corrosion is enhanced by stains on metallic surface and d) corrosion can take place in vaccum. are incorrect statements