Surface Chemistry · Chemistry · MHT CET

Start Practice

MCQ (Single Correct Answer)

1

Which instrument is used for determination of particle size?

MHT CET 2025 26th April Evening Shift
2

Which among the following gases is least adsorbed on solid at similar conditions of temperature and pressure?

MHT CET 2025 26th April Morning Shift
3

Identify the technique used to know binding nature of nanomaterials?

MHT CET 2025 26th April Morning Shift
4

Which from following substances is classified as macromolecular colloid?

MHT CET 2025 25th April Evening Shift
5

Find the temperature from following graph so that highest amount of a gas is adsorbed

MHT CET 2025 25th April Morning Shift Chemistry - Surface Chemistry Question 5 English
MHT CET 2025 25th April Morning Shift
6
What type of colloid is fog?
MHT CET 2025 23rd April Evening Shift
7

Which from following metal nanoparticle is used for coating the filter material that acts as effective bacterial disinfectant?

MHT CET 2025 23rd April Evening Shift
8

Which from following metal nanoparticle is used for coating the filter material that acts as effective bacterial disinfectant?

MHT CET 2025 23rd April Evening Shift
9

Which from following is classified multimolecular colloid?

MHT CET 2025 23rd April Morning Shift
10

Which of the following ion exihibits maximum power of coagulation for positively charged Sol ?

MHT CET 2025 22nd April Evening Shift
11

Which from following process does NOT results in coagulation?

MHT CET 2025 22nd April Morning Shift
12

Identify the catalyst used in following reaction at $500^{\circ} \mathrm{C}$ ?

$$ \mathrm{CO}+\mathrm{H}_2 \mathrm{O} \rightleftharpoons \mathrm{CO}_2+\mathrm{H}_2 $$

MHT CET 2025 22nd April Morning Shift
13

Which from following represents the Freundlich's empirical equation for adsorption of gas on solid (for $\mathrm{n}>1$ )?

MHT CET 2025 21st April Evening Shift
14

Identify sequential reactions involved in Sol-Gel process.

MHT CET 2025 21st April Evening Shift
15

Identify the property of colloidal solutions so that colloidal particles move freely towards respective electrodes under an applied electrical potential.

MHT CET 2025 21st April Morning Shift
16

Which from following gases is adsorbed to greater extent if adsorbent remains same at similar conditions of temperature and pressure?

MHT CET 2025 20th April Evening Shift
17

Which of the following is not negatively charged sol?

MHT CET 2025 20th April Morning Shift
18

Identify example of sorption from following.

MHT CET 2025 19th April Evening Shift
19

Match column I (process) with column II (application)

Column I Column II
i. Dialysis a. Cleansing action of soap
ii. Peptization b. Coagulation
iii. Emulsificatioin c. Colloidal solution preparation
iv. Electrophoresis d. Purification of colloidal solution

MHT CET 2025 19th April Morning Shift
20

Identify positively charged sol from the following.

MHT CET 2024 16th May Evening Shift
21

Which from following is a largest size nanomaterial?

MHT CET 2024 16th May Evening Shift
22

Identify one dimensional nanostructure from following.

MHT CET 2024 16th May Morning Shift
23

What is the value of slope in Freundlich adsorption isotherm $\log \frac{\mathrm{x}}{\mathrm{m}}$ against $\log \mathrm{C}$ ?

MHT CET 2024 16th May Morning Shift
24

Identify dispersed phase and dispersion medium in fog respectively.

MHT CET 2024 15th May Morning Shift
25

Which among the following is an example of emulsion?

MHT CET 2024 11th May Evening Shift
26

Which from following statements is NOT true about absorption?

MHT CET 2024 10th May Evening Shift
27

What type of colloid is the soap lather?

MHT CET 2024 10th May Morning Shift
28

Identify the instrument used to find the structure of surface of material.

MHT CET 2024 10th May Morning Shift
29

Which from following anions has maximum coagulating power for precipitation of positive sol?

MHT CET 2024 9th May Evening Shift
30

What type of colloid is milk?

MHT CET 2024 9th May Morning Shift
31

Which from following anions has lowest coagulating power for precipitation of positive sol?

MHT CET 2024 4th May Evening Shift
32

Identify a zero dimensional nano structure from following

MHT CET 2024 4th May Evening Shift
33

Which from following statements is NOT true about lyophilic colloids?

MHT CET 2024 4th May Morning Shift
34

Which is NOT an example of macromolecular colloid?

MHT CET 2024 3rd May Evening Shift
35

Which from following is an example of multimolecular colloids?

MHT CET 2024 3rd May Morning Shift
36

Identify dispersed phase and dispersion medium in cheese.

Dispersed Phase Dispersion medium
1 liquid solid
2 liquid liquid
3 solid liquid
4 solid solid

MHT CET 2024 2nd May Evening Shift
37

Which of the following is an example of heterogenous catalysis?

MHT CET 2024 2nd May Morning Shift
38

Which from following techniques is used for preliminary confirmation of nanoparticles?

MHT CET 2024 2nd May Morning Shift
39

Which of the following gases is readily adsorbed by solid adsorbent?

MHT CET 2023 14th May Evening Shift
40

Which of the following ion has greater coagulating power for negatively charged sol?

MHT CET 2023 14th May Morning Shift
41

Which from following catalyst is used in decomposition of $$\mathrm{KCl}_3$$ ?

MHT CET 2023 14th May Morning Shift
42

Identify FALSE statement regarding adsorption from following.

MHT CET 2023 13th May Morning Shift
43

Which from following nanomaterial has one dimension less than $$100 \mathrm{~nm}$$ ?

MHT CET 2023 13th May Morning Shift
44

Which from following nanoparticle catalysts is used in photocatalysis?

MHT CET 2023 12th May Evening Shift
45

Which from following phenomena is inversely proportional with adsorption?

MHT CET 2023 12th May Morning Shift
46

Which of the following is positively charged sol?

MHT CET 2023 11th May Evening Shift
47

Identify physisorption from following.

MHT CET 2023 11th May Morning Shift
48

Identify the catalyst (A) used in following reaction.

$$\mathrm{CO}+\mathrm{H}_2 \mathrm{O} \stackrel{\mathrm{A}}{\rightleftharpoons} \mathrm{CO}_2+\mathrm{H}_2$$

MHT CET 2023 11th May Morning Shift
49

Identify the last step in wet chemical synthesis of nanomaterial.

MHT CET 2023 10th May Evening Shift
50

Which of the following is character of lyophilic colloid?

MHT CET 2023 10th May Morning Shift
51

Which of the following colloids is NOT a gel?

MHT CET 2023 9th May Evening Shift
52

What type of information is collected using scanning electron microscopy?

MHT CET 2023 9th May Morning Shift
53

What type of following phenomena is NOT exhibited by adsorption?

MHT CET 2022 11th August Evening Shift
54

Which of the following is a first step in mechanism of heterogenous catalysis?

MHT CET 2021 24th September Evening Shift
55

Which of the following statements is true for adsorption?

MHT CET 2021 23rd September Evening Shift
56

What is the value of intercept on $$y$$-axis when $$\log \frac{x}{m}$$ is plotted against $$\log P$$ in Freundlich isotherm?

MHT CET 2021 23th September Morning Shift
57

Identify the correct decreasing order of precipitation power of flocculating ion added, from following.

MHT CET 2021 22th September Evening Shift
58

Which among the following is true for chemisorption?

MHT CET 2021 22th September Morning Shift
59

Which among the following is NOT an example of one-dimensional nanostructure?

MHT CET 2021 21th September Evening Shift
60

Which among the following gases is adsorbed to greater extent at similar conditions of temperature and pressure if the adsorbent remains same?

MHT CET 2021 21th September Evening Shift
61

Which of following statements is correct for physisorption?

MHT CET 2021 21th September Morning Shift
62

Identify negatively charged sol from following.

MHT CET 2021 20th September Evening Shift
63

Which among the following is a multi-molecular colloid?

MHT CET 2021 20th September Morning Shift
64

Which of the following is multimolecular colloid?

MHT CET 2020 16th October Evening Shift
EXAM MAP