Chromatography is based on which of the following?

Which chromatography process is known as step chromatography?

A

Bind and elute chromatography

B

Pulse chromatography

C

Analytical chromatography

D

Preparative chromatography

Which chromatography is similar to hydrodynamic chromatography?

A

Hydrodynamic

B

Size exclusion

C

High pressure

D

Low pressure

Paper chromatography is a type of which chromatography?

A

Column chromatography

B

Thin layer chromatography

C

Adsorption chromatography

D

Partition chromatography

The gas-solid chromatography is ______________ chromatography as per basic principle involved.

A

Exclusion

B

Ion-exchange

C

Adsorption

D

Absorption

Thin Layer Chromatography is similar to Paper Chromatography.

A

True

B

False

The distribution coefficients of Gas-solid chromatography are greater than that of Gas-liquid chromatography.

A

True

B

False

Detector selectivity is more important in Liquid chromatography than in Gas chromatography.

A

True

B

False

Gas chromatography can be performed in X, whereas liquid chromatography can be performed in Y. Identify X and Y.

A

X = only plane surfaces, Y = only columns

B

X = only columns, Y = only plane surfaces

C

X = only columns, Y = columns or plane surfaces

D

X = columns or plane surfaces, Y = only plane surfaces

Examine the following statements :
i) Factor of safety for steel should be based on its yield stress,
ii) Factor of safety for steel should be based on its ultimate stress,
iii) Factor of safety for concrete should be based on its yield stress,
iv) Factor of safety for concrete should be based on its ultimate stress.
The correct statements are

A

(i) and (iii)

B

(i) and (iv)