One-word Answer Questions (with answers and explanations)
1. Question: What is the process called when a substance mixes in water and disappears?
Answer: Dissolving
Explanation: When a substance like sugar or salt mixes in water and is no longer visible, it is called dissolving .
2. Question: Which sweet substance did Ayesha use to dissolve in water while making shakkarpara?
Answer: Sugar
Explanation: Ayesha mixed sugar in water to make the sweet dish shakkarpara .
3. Question: Which sea has so much salt that nothing more can dissolve in it?
Answer: Dead Sea
Explanation: The Dead Sea has very salty water, making it difficult to dissolve more salt .
4. Question: What remains at the bottom when too much salt is added to water?
Answer: Salt
Explanation: When water cannot dissolve more salt, the extra salt settles at the bottom.
5. Question: What do we call water in which no more substance can dissolve?
Answer: Saturated
Explanation: Water becomes saturated when it cannot dissolve any more substance.
6. Question: What can you do to dissolve sugar faster in water — stir or leave it?
Answer: Stir
Explanation: Stirring increases the speed of dissolving sugar in water .
7. Question: What can be added to water to make a lemon float in it?
Answer: Salt
Explanation: When salt is added to water, the density increases, making the lemon float .
8. Question: Which is easier to dissolve in water — sugar or oil?
Answer: Sugar
Explanation: Sugar dissolves in water but oil does not.
9. Question: What will you find in the water if you strain water mixed with chalk powder?
Answer: Chalk
Explanation: Chalk powder does not dissolve in water; it can be separated by straining .
10. Question: What is not visible after dissolving in water — salt or chalk powder?
Answer: Salt
Explanation: Salt dissolves completely in water and becomes invisible .
