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

Last updated Apr 19, 2021

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

Question 1 of 17

Chemistry

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

Fluorine and Chlorine

Iodine and Bromine

Chlorine and Bromine

Fluorine and Iodine

Question 1 of 17

Question 2 of 17

2. 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?

Filtration

Distillation

Re-crystallization

Chromatography

Question 2 of 17

Question 3 of 17

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

Dipole-induced dipole forces

Dispersion forces

Lon-dipole forces

Dipole-dipole forces

Question 3 of 17

Question 4 of 17

4. The intermolecular forces are of:

Five Types

Two Types

Four Types

Three Types

Question 4 of 17

Question 5 of 17

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

Crystal lattice

Crystalline solid

Mesogens

Liquid crystals

Question 5 of 17

Question 6 of 17

6. Thermostat is an instrument which

Increases the temperature

Maintains the temperature

Fluctuate the temperature

Decreases the temperature

Question 6 of 17

Question 7 of 17

7. The distillation under reduced pressure is called

Pressure distillation

Vacuum distillation

Fractional distillation

Steam distillation

Question 7 of 17

Question 8 of 17

8. The unit of surface tension is

Newton per meter

Newton square per meter

Newton per meter square

760mm of Hg

Question 8 of 17

Question 9 of 17

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

Distillation

Chromatography

Freezing

Filtration

Question 9 of 17

Question 10 of 17

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

Chloroform and water do not mix

Chloroform has a higher density than water

Chloroform and water have different relative molecular masses

Chloroform and water have different, boiling points

Question 10 of 17

Question 11 of 17

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

Fritz

Newton

Vander Wall

Poisentille

Question 11 of 17

Question 12 of 17

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

Turbulent flow

None of these

Newtonian (or Laminar flow)

Streamline flow

Question 12 of 17

Question 13 of 17

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

Liquids always ill the space available to them

Dehydrate it with concentrated

1 cm³ of water produces nearly 1700 cm³ of steam

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

Question 13 of 17

Question 14 of 17

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

Burn it completely in oxygen

Measure its B P

React it with ethanol

Dehydrate it with concentrated H₂SO₄

Question 14 of 17

Question 15 of 17

15. Van Der Wall’s forces are effective.

Only at short distance

At long distance

Independent of distance

Both at long as well as short distance

Question 15 of 17

Question 16 of 17

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

Evaporation

Crystallization

Freezing

Condensation

Question 16 of 17

Question 17 of 17

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

Steam at 100°C

Water at 100°C

Water at 10°C

Impure water at 102°C

Question 17 of 17

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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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