NSO Level 1- Science Olympiad (SOF) Class 9: Questions 511 - 516 of 1123
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Passage
Directions: Some techniques for the separation of components are given in the figures. Answer below questions after observing the figures carefully
Techniques for the Separation of Components
Question number: 511 (3 of 6 Based on Passage) Show Passage
» Chemistry » The Nature of Matter
Question
Name the part marked as K in figure 3
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Fractional distillation column | |
b. | Filter | |
c. | Expansion jet | |
d. | Separator | |
Question number: 512 (4 of 6 Based on Passage) Show Passage
» Chemistry » The Nature of Matter
Question
Which of these is the function of labelled part M in figure 1?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | To separate oil and water | |
b. | To pour out the lower layer water | |
c. | To restrict the oil layer to get poured out | |
d. | All a. , b. and c. are correct | |
Question number: 513 (5 of 6 Based on Passage) Show Passage
» Chemistry » The Nature of Matter
Question
Figure 2 is an arrangement to separate
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Ammonium chloride from a mixture of ammonium chloride and sodium chloride | |
b. | Sodium chloride from its solution | |
c. | Iron from its ore | |
d. | Butter from cream | |
Question number: 514 (6 of 6 Based on Passage) Show Passage
» Chemistry » The Nature of Matter
Question
Which of the arrangements is used to separate iron from its ore
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Figure 3 | |
b. | Figure 1 | |
c. | Figure 2 | |
d. | None of the above | |
Question number: 515
Question
What would happen, if all oxygen present in the environment is converted to ozone?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | It will become poisonous and kill living forms | |
b. | We will be protected more | |
c. | Ozone is not stable and hence it will be toxic | |
d. | It will help harmful radiations to reach earth and damage many life forms | |