Question

A metallic oxide contains 60% of the metal. The equivalent mass of the metal is –

• A. 12
• B. 24
• C. 48
• D. 72

Answer 1

Answer: (A)

12

Answer 2

Eq. mass of a metal in its oxide

= $\frac{wt.ofmetalinoxide}{wt.ofOinoxide}$× 8

= $\frac{60}{40}$× 8 = 12