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.
Water
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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.
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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.