List of practice Questions

Elevation of boiling point and depression of freezing point are examples of:

Which of the following represents the ideal gas equation of state?

According to Dalton's law of partial pressures, the total pressure of a gas mixture is equal to:

In gas analysis, when composition is expressed on a dry basis, it means:

Molality is preferred over molarity in calculations involving temperature changes because:

Molarity of a solution is defined as:

Plain carbon steels mainly differ from each other in terms of:

Pig iron is produced in a:

In a thermal equilibrium (phase) diagram of iron-carbon system, eutectoid point occurs at:

The Brinell hardness test measures hardness by:

The area under the stress-strain curve up to the fracture point represents:

Which mechanical property of a metal represents its ability to resist permanent deformation?

The BOD of highly polluted water is

The oxide of nitrogen responsible for depletion of ozone layer is

Which of the following in not to be considered as a primary fuel?

The polymer used in making gaskets and non-stick coating utensils is

The structure of Buna-S polymer is

Which of the following is a natural polymer?

During Vulcanization of raw rubber, the chemical added to it is

In galvanised iron

Identify the incorrect statement about the corrosion

The type of functional group associated with cation exchange resin is

A sample of water is known to contain $Mg(HCO_{3})_{2} = 7.3$ mg/L, $Ca(HCO_{3})_{2} = 8.1$ mg/L and $27.2$ mg/L of $CaSO_{4}$. The total hardness associated with water sample (in ppm) in equivalents of $CaCO_{3}$ is

The exhausted anion-exchange resin is regenerated with

Which of the following is a weak electrolyte?