General Science [NSTSE (National Science Talent Search Exam- Unified Council) Class 3]: Questions 298 - 303 of 960
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Question 298
Question MCQ▾
To protect silk and woolen clothes, we should use:
Choices
Choice (4) | Response | |
---|---|---|
a. | Salt solution | |
b. | Medicines | |
c. | Benzene solution | |
d. | Naphthalene balls |
Question 299
Question MCQ▾
If we heat water in a pot on a stove, water changes into water vapor. Now, if we hold a steel plate against the steam, we can see small drops of water on the plate. This formation of small drops of water on the plate is due to:
Choices
Choice (4) | Response | |
---|---|---|
a. | Melting | |
b. | Evaporation | |
c. | Freezing | |
d. | Condensation |
Question 300
Question MCQ▾
Match the column A with column B.
A | B |
1. Clayey soil 2. Sandy soil 3. Gravel 4. Loam | a. does not hold water b. holds sufficient amount of water and air c. found in deserts and beaches d. used for making toys and pots |
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 301
Question MCQ▾
Condensation is:
Choices
Choice (4) | Response | |
---|---|---|
a. | Changing water vapour into water by cooling | |
b. | Changing ice into water by heating | |
c. | Changing water into ice by cooling | |
d. | Changing water into ice by heating |
Question 302
Question MCQ▾
Which of the following is a star?
Choices
Choice (4) | Response | |
---|---|---|
a. | Comet | |
b. | Sun | |
c. | Moon | |
d. | Earth |
Question 303
Question MCQ▾
In clay:
Choices
Choice (4) | Response | |
---|---|---|
a. | The particles are loosely packed | |
b. | Particles hold lot of water but little air | |
c. | It can hold enough water and enough air | |
d. | The particles can hold any air |