Temporary hardness of water can be removed by

1. filtering
2. boiling
3. loading
4. none of the above

Assertion (A): Water is a universal solvent.

Reason (R): We use water daily for drinking, washing, bathing, etc.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.

Assertion (A): Miscible liquids dissolve into each other.

Reason (R): Petrol and water are miscible liquids.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.

Assertion (A): A solution is a heterogeneous mixture of two or more substances with variable composition.

Reason (R): The component of a solution that dissolves is called as solute, while the other component in which the solute dissolves is called a solvent.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.