JKSSB Mock Tests

When an iron nail is dipped in copper sulphate solution, the color of the solution changes from blue to green due to the formation of:

A. copper oxide
B. iron sulphate
C. iron oxide
D. copper chloride
Answer: Option B
Solution (By JKSSB Mock Tests Team)
Iron is more reactive than copper; it displaces copper from CuSO4 to form light-green FeSO4.
This Question Belongs to: General science Chemistry set 1
Previous Next

Target SSC, Railway, UPSC & JKSSB Exams

Welcome to JKSSB Mock Tests's comprehensive question bank. Practicing objective multiple-choice questions (MCQs) on topics like Chemistry set 1 is essential for clearing high-competition exams such as SSC CGL, CHSL, Railway RRB NTPC, UPSC Prelims, and JKSSB.

The solution provided above gives you the exact logical breakdown needed to handle similar queries in the actual exam environment. To maximize your score, we recommend solving the related questions provided on this page and taking our free randomized mock tests to evaluate your time management skills.

Frequently Asked Questions

Yes, the concepts covered in General science are highly relevant and repeatedly asked in SSC (CGL, MTS, CHSL), Railway (RRB NTPC, ALP), UPSC, and state PSC exams like JKSSB.

After reading the direct solution, try to understand the core concept behind it. Use our platform to practice similar questions from the same topic to reinforce your memory and improve accuracy.