Teaching CTET (Paper 1 & Paper 2) Mock Test Series 2025 General Science Chemistry Chemistry in Everyday Life
Assertion (A): When exposed to air, Silver articles become black after some time.
Reason (R1): Because it forms the coating of silver sulfide.
Reason (R2): Because it forms the coating of silver carbonate.
Which one is the correct statement?
1
A is correct and R1 is the correct explanation of A
2
A is correct and R2 is the correct explanation of A
3
A is incorrect But R1 and R2 are correct.
4
Both R1 and R2 are incorrect.