Question 18 - MCQs from NCERT Exemplar - Chapter 3 Class 10 - Metals and Non-Metals

Last updated at Dec. 16, 2024 by

Which of the following metals are obtained by electrolysis of their chlorides in molten state ?

(i) Na (ii) Ca (iii) Fe (iv) Cu

(A) (i) and (iv) 

(B) (iii) and (iv)

(C) (i) and (iii) 

(D) (i) and (ii)

 

Answer.:

Metals like Na and Ca are able to produce ions in their molten state . Therefore, they can be obtained from their chlorides in molten state.

Sodium is obtained by electrolysis of NaCl - Teachoo.png

So, the correct answer is (d)

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo