Question

Assertion (A): Dry ice iss solid co2
Reason (R): Dry ice is some as ice. (a). Both A and R are true and R is the correct explaination of A (b). Both A and B are true and R is not the correct explanation of A. (c). A is true but R is false (d). A is false but R is true​ ​

Answer 1

Answer:

Option c is correct. Solid CO2 AND H2O IS NOT SAME.

Explanation:

BRAINIEST

Answer 2

Answer:

Explanation:

1. Assertion and reasoning are both correct and the reason is the correct explanation of the assertion. Option a

2.Assertion and reasoning are both correct and the reason is the correct explanation of the assertion Option a

3.The assertion is correct and the reason is false option c

Explanation:

on adding particular salt boiling point and melting point of a substance changes. For example if we add more amount of pressure then the melting point of the substance decreases.

And if we add certain substances like salt then the melting point it becomes below zero degree celsius. These have many applications in daily today life and stock these are known as depression of freezing point