4. Which metal is commonly used for electroplating iron... | Science Class 8

Science Class 8 Chemical Effects of Electric Current

Asked by RAM PANKAJ DESHMUKH · Podar international school, Khamgaon ( Maharashtra )

4. Which metal is commonly used for electroplating iron objects to prevent corrosion?

A) Chromium
B) Sodium
C) Calcium
D) Potassium

✅ Answer: A) Chromium
Explanation: Chromium plating gives iron objects a shiny appearance and helps protect them from corrosion.

Answer as guest — Start Free Practice Test to earn Practice PointsHow to earn pointsAsk a question+3Answer a question+1Someone answers yours+1Your Q gets upvoted+1Pioneer bonus (first 5)+5, ask questions & climb the leaderboard!

A A) Coating one metal with another using electric current
B B) Melting a metal using heat
C C) Breaking a metal into pieces
D D) Mixing two metals together