List of practice Questions

Soda ash is industrially manufactured by the:

In the ion-exchange process for water treatment, hard water is softened by:

Which of the following is the main source of hardness in natural water?

The basic chemical reaction involved in soap manufacture is:

In the pulp and paper industry, the Kraft process uses which chemical for pulping?

The major petrochemical produced directly from methane is:

Fluid catalytic cracking (FCC) mainly converts:

Vacuum distillation of petroleum is carried out to:

In petroleum refining, atmospheric distillation is primarily used to:

Which fraction obtained from coal tar distillation is mainly used for road surfacing?

The main purpose of coking of coal is to produce:

The amount of air actually supplied divided by the theoretical air required, expressed as a percentage above theoretical air, is known as:

The reactant that is completely consumed first in a chemical reaction is called:

Recycling and bypassing of streams in a process plant are mainly used to:

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: