Question

Assertion (A) : Solid CO, is called dry ice
Reason (R) : when solid CO, open to atmosphere, is heated it becomes vapour directly.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true and R is the not correct explanation of A
c) A is true, R is false
d) A is false, R is true​

Answer 1

Answer:

Option b is correct by my perspective.

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