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Punjab 11th Class Chemistry State of Matter (Liquids) Mcqs Test Online

Chemistry State of Matter (Liquids) Mcqs Test Online 11th Class Punjab

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Question 1 of 17

Chemistry

1. The intermediate phase lying between the solid phase and the normal liquid phase is called

Mesogens

Liquid crystals

Crystalline solid

Crystal lattice

Question 1 of 17

Question 2 of 17

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

Impure water at 102°C

Water at 10°C

Water at 100°C

Steam at 100°C

Question 2 of 17

Question 3 of 17

3. The intermolecular forces are of:

Two Types

Four Types

Five Types

Three Types

Question 3 of 17

Question 4 of 17

4. Which of these statement best supports the idea that matter is made up of particles?

Dehydrate it with concentrated

If a bottle of perfume is opened, the smell spread quickly

Liquids always ill the space available to them

1 cm³ of water produces nearly 1700 cm³ of steam

Question 4 of 17

Question 5 of 17

5. Thermostat is an instrument which

Maintains the temperature

Fluctuate the temperature

Increases the temperature

Decreases the temperature

Question 5 of 17

Question 6 of 17

6. Which one of the following forces are also called London forces

Dispersion forces

Dipole-induced dipole forces

Lon-dipole forces

Dipole-dipole forces

Question 6 of 17

Question 7 of 17

7. The flow of the liquid where the velocity of layers is not too large is called:

Streamline flow

None of these

Turbulent flow

Newtonian (or Laminar flow)

Question 7 of 17

Question 8 of 17

8. The distillation under reduced pressure is called

Pressure distillation

Vacuum distillation

Steam distillation

Fractional distillation

Question 8 of 17

Question 9 of 17

9. Van Der Wall’s forces are effective.

Independent of distance

Both at long as well as short distance

At long distance

Only at short distance

Question 9 of 17

Question 10 of 17

10. The scientist who discussed the phenomenon of viscosity are.

Newton

Poisentille

Fritz

Vander Wall

Question 10 of 17

Question 11 of 17

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

Condensation

Evaporation

Crystallization

Freezing

Question 11 of 17

Question 12 of 17

12. To help diagnose illness, doctors often need to know which amino acids are present in blood or urine. Which method is common by used to separate and identify amino acids?

Re-crystallization

Filtration

Chromatography

Distillation

Question 12 of 17

Question 13 of 17

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

React it with ethanol

Measure its B P

Burn it completely in oxygen

Dehydrate it with concentrated H₂SO₄

Question 13 of 17

Question 14 of 17

14. A flask contains the liquid chloroform and water. They are separating funnel, which conclusion can be form this observation alone.

Chloroform has a higher density than water

Chloroform and water have different, boiling points

Chloroform and water have different relative molecular masses

Chloroform and water do not mix

Question 14 of 17

Question 15 of 17

15. Which of the following is the best method of obtaining water from ink?

Freezing

Filtration

Chromatography

Distillation

Question 15 of 17

Question 16 of 17

16. The unit of surface tension is

Newton per meter square

Newton square per meter

760mm of Hg

Newton per meter

Question 16 of 17

Question 17 of 17

17. Which of the following two halogens are gases at room temperature.

Fluorine and Chlorine

Iodine and Bromine

Fluorine and Iodine

Chlorine and Bromine

Question 17 of 17

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Test By Topics	11th Class Chemistry

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Punjab 11th Class Chemistry State of Matter (Liquids) Mcqs Test Online

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Punjab 11th Class Chemistry State of Matter (Liquids) Mcqs Test Online

Chemistry State of Matter (Liquids) Mcqs Test Online 11th Class Punjab

Chemistry

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