McqMate
Q. |
When iron rusts, its weight : |
A. | decreases |
B. | increases |
C. | remains the same |
D. | first increases and then decreases |
Answer» B. increases | |
Explanation: When iron rusts, oxide compounds are formed due the interaction between oxygen in the air or in water an the metal. |
View all MCQs in
ChemistryNo comments yet