Chemistry
Assertion (A): Water is a universal solvent.
Reason (R): We use water daily for drinking, washing, bathing, etc.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Answer
Both A and R are true but R is not the correct explanation of A.
Explanation — Water is often called a "universal solvent" because it can dissolve many different substances, such as salts, sugars, gases, and a variety of other compounds. We use water daily for drinking, washing, bathing, etc. However, these are two separate facts.
Related Questions
The substance which can remove permanent hardness of water is :
- sodium bicarbonate
- sodium carbonate
- sodium hydroxide
- sodium chloride
Temporary hardness of water can be removed by
- filtering
- boiling
- loading
- none of the above
Assertion (A): Water exists in all the three states of matter.
Reason (R): On cooling, liquid water changes into ice, the solid state. On heating, it changes into vapour, the gaseous state.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): Miscible liquids dissolve into each other.
Reason (R): Petrol and water are miscible liquids.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.