Explore topic-wise MCQs in Engineering Chemistry.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

What is called a dispersion medium?

A. It is where the dispersed phase settles
B. It is where the solute particles settle
C. It is where the dispersed phase is suspended
D. It is the primary medium
Answer» D. It is the primary medium
2.

What is called a dispersion phase?

A. It is the main layer
B. It is the secondary layer in which the colloidal particles are dispersed
C. It is the secondary layer
D. It is the basic colloidal layer
Answer» C. It is the secondary layer
3.

What is the size of normal an amino acid?

A. 1 to 2 nm
B. 2 to 3 nm
C. 4 to 5 nm
D. 2 to 5 nm
Answer» B. 2 to 3 nm
4.

Which of the following form of colloid is considered to be the lightest colloid?

A. Gaseous foam
B. Solid sol
C. Sol
D. Liquid sol
Answer» B. Solid sol
5.

Which of the following form of colloid is considered to be the strongest colloid?

A. Gel
B. Foam
C. Solid sol
D. Liquid sol
Answer» D. Liquid sol
6.

During an experiment, accidently iodine got mixed up with a biological sample of proteins and polys. Identify the smallest colloid that can be obtained during the process of separation.

A. Fats
B. Amino acids
C. Polys
D. R molecules
Answer» C. Polys
7.

Calculate the size of the colloidal particle present in the mixture of fats and milk from the given data.Amount of milk in litres: 20Amount of fats in grams: 10Time taken to mix the ingredients: 20 sec

A. 3
B. 6
C. 4
D. 61
Answer» D. 61
8.

Where does colloidal solution find application in?

A. In milk industries
B. In chromatic chemical industries
C. In crystallography
D. In textiles
Answer» B. In chromatic chemical industries
9.

Which of the following is a characteristic of a colloid?

A. It forms 2 layers with a solution
B. It forms turbid layers
C. It forms heterogeneous layer
D. It forms a homogeneous layer
Answer» C. It forms heterogeneous layer
10.

What is the size of colloidal particles?

A. 10-20 nm
B. More than 20 nm
C. Less than 10 nm
D. 30 to 50 nm
Answer» B. More than 20 nm