RRB GROUP D Chemistry Quiz - 59

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Question 1:

Which of the following is the example of solid-liquid colloidal solution

  1. Mud
  2. Froth
  3. Milk of magnesia 
  4. Clouds

Question 2:

Formation of ammonia from H2 and N2 by Haber’s process using Fe is an example of 

Question 3:

The law, which states that at constant temperature, the volume of a given mass of gas is inversely proportional to pressure, is known as

Question 4:

The theory which explains that gases consist of molecules, which are rapid in motion is known as-

Question 5:

The rates of diffusion of gases are inversely proportional to square root of their densities. This statement refers to

Question 6:

Which of the following is responsible for pumping out tears fluid in the eye ?

Question 7:

In Van-der-Waal equation of state of gas laws-

  1. Constant a is a measure of Intermolecular collisions per unit volume
  2. Constant a is a measure of Intermolecular attractive forces within a gas
  3. Constant a is independent of temperature and pressure
  4. Constant a is independent of temperature and volume

Question 8:

A gas deviates from ideal behavior at a high pressure because its molecules:

  1. Attract and repel one another
  2. Have kinetic energy
  3. Volume occupied by the gas molecules is significant 
  4. Are bound by ionic bonds

Question 9:

Which of the following have higher vapour pressure?

Question 10:

Glass and plastics are-

  1. Amorphous solids
  2. Supercooled liquids 
  3. Isotropic in nature
  4. Crystalline solids