Question : Which of the following elements has variable valency?
Option 1: Iron
Option 2: Sodium
Option 3: Sulphur
Option 4: Magnesium
Correct Answer: Iron
Solution : The correct option is Iron.
Elements with variable valency are typically found in transition metals and some non-metals. Iron is a chemical element with the symbol Fe and atomic number 26. Iron is a silvery-grey, lustrous metal with a high melting point. It is known for its magnetic properties. Iron is the fourth most abundant element in the Earth's crust.
Related Questions
Know More about
Staff Selection Commission Combined Grad ...
Admit Card | Eligibility | Application | Selection Process | Preparation Tips | Result | Answer Key
Get Updates Brochure
Your Staff Selection Commission Combined Graduate Level Exam brochure has been successfully mailed to your registered email id “”.
