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Solution


Q.

Read the following statements and choose the set of correct statements:

(A) Chrome steel is used for cutting tools and crushing machines.
(B) The fine dust of aluminium is used in paints and lacquers.
(C) Copper is used for reduction of alcohol.
(D) Zinc dust is used as a reducing agent in the manufacture of paints.
(E) Iron is used for galvanising zinc.

Choose the most appropriate answer from the options given below:              [2023]
1 (D) and (E) only  
2 (A) and (D) only  
3 (A), (B) and (D) only  
4 (B), (C) and (D) only  

Ans.

(3)

Copper is used for oxidation of alcohol.  

Zinc is used for galvanising iron.