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

Techniques for the Separation of Components

Question number: 511 (3 of 6 Based on Passage) Show Passage

» Chemistry » The Nature of Matter

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MCQ▾

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

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MCQ▾

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

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MCQ▾

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

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MCQ▾

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

» Biology » Natural Resources

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MCQ▾

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

Question number: 516

» Physics » Motion

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MCQ▾

Question

Negative acceleration is called

Choices

Choice (4)Response

a.

Acceleration

b.

Retardation

c.

Speed

d.

Velocity

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