NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1794 - 1800 of 2045
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Question 1794
Question MCQ▾
In which of the following slow evaporation takes place?
Choices
Choice (4) | Response | |
---|---|---|
a. | Evaporation | |
b. | Centrifugation | |
c. | Distillation | |
d. | Crystallization |
Question 1795
Question MCQ▾
In sedimentation the liquid obtained is called .
Choices
Choice (4) | Response | |
---|---|---|
a. | Sediment liquid | |
b. | Pure liquid | |
c. | Supernatant liquid | |
d. | All of the above |
Question 1796
Question MCQ▾
Which of the following factors affect the solubility of a substance?
Choices
Choice (4) | Response | |
---|---|---|
a. | Size of solute particles | |
b. | Stirring | |
c. | Temperature | |
d. | All a., b. and c. are correct |
Question 1797
Question MCQ▾
Mixture of grain and husk can be separated by
Choices
Choice (4) | Response | |
---|---|---|
a. | Filtration | |
b. | Winnowing | |
c. | Hand picking | |
d. | Sedimentation |
Question 1798
Question MCQ▾
We use hand picking when there is
Choices
Choice (4) | Response | |
---|---|---|
a. | Much quantity of mixture | |
b. | Much quantity of substance | |
c. | Small quantity of mixture | |
d. | All of the above |
Question 1800
Question MCQ▾
Which of the following substance are most soluble in water at 0◦C?
Choices
Choice (4) | Response | |
---|---|---|
a. | Potassium Chloride | |
b. | Sodium Nitrate | |
c. | Potassium Sulphate | |
d. | None of the above |