LIQUIDS

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Created on By buzzerkings

LIQUIDS

1 / 33

Which types of intermolecular force/s is/are present in water?

2 / 33

Which container has greater heat contents?

External pressure 23.8 torr

External pressure 760 torr

External pressure 1489 torr

B.P. of water 25°C

B.P. of water 100°C

B.P. of water 120°C

3 / 33

Which of the following is not the boiling point of water?

4 / 33

Crystallization, evaporation and distillation is a mean of:

5 / 33

When heating begins in miscible solutions, vapors formed will be:

6 / 33

A Compound evaporating easily and giving off a smell:

7 / 33

Evaporation occurs only:

8 / 33

van der Waals forces are effective:

9 / 33

In which of the following are the particles the most disordered?

10 / 33

A liquid is thought to be pure ethanoic acid (acetic acid), which of following is the best way to test it purity?

11 / 33

Which of these processes involve a weakening of the attraction between particles?

12 / 33

Vapour pressure is affected by:

13 / 33

Which has least vapour pressure?

14 / 33

Amount of heat absorbed when one mole of a solid melts into liquid at its melting point is called: 

15 / 33

Which class of organic compound is not soluble in water:

16 / 33

Boiling point of H2O and C2H5OH is:

17 / 33

When water freezes at 0°C, its density decreases due to:

18 / 33

London dispersion forces are significant for:

19 / 33

When liquid water changes to ice its volume increases. The increase in volume is:

20 / 33

Ethanol is much more soluble in water than ethylethanoate, which one of the following statement correctly account for this?

21 / 33

The distillation of liquid under reduced pressure is called:

22 / 33

The boiling point of the halogens: 

23 / 33

Correct order of boiling points of given liquids is:

24 / 33

Boiling point of water is higher than petrol, because intermolecular forces in water are: 

25 / 33

Which of the following liquid has the highest vapour pressure? 

26 / 33

Which process releases the greatest amount of heat? 

27 / 33

Which property of a liquid increases with increasing temperature?

28 / 33

Taking intermolecular forces into account, which halogen would you expect to have the highest boiling point?

29 / 33

Which change affects the vapor pressure of a liquid?

30 / 33

Which change affects the vapor pressure of a liquid?

31 / 33

Which substance exhibits the hydrogen bonding?

32 / 33

A pressure cooker reduces cooking time for food because: 

33 / 33

Which of the following hydrogen bonds is the strongest?

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