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organic lab 1

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organic lab 1
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of distillation?

To mix liquids

To heat solids

To purify liquid samples

To cool liquids

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to a liquid during the distillation process?

It becomes a solid

It turns to gas and then back to liquid

It evaporates completely

It freezes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the boiling point (B.P.)?

The temperature at which a solid melts

The temperature at which a liquid freezes

The temperature at which a gas condenses

The temperature at which vapor pressure equals external pressure

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In simple distillation, what is the minimum boiling point difference required?

≥ 50 °C

≤ 50 °C

≤ 25 °C

≥ 75 °C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the fractionating column in fractional distillation?

To cool the liquid

To separate components based on boiling points

To heat the liquid

To mix the components

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a characteristic of a volatile substance?

Low boiling point

Non-volatile

High boiling point

High density

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should be done to avoid bumping during distillation?

Add more liquid

Use a larger flask

Increase the heat rapidly

Use boiling stones

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