ECAT Pre Engineering Chemistry Chapter 15 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements

Try The MCQ's Test For ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements

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ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements

00:00
Question # 1

Which catalyst is used in contact process?

Question # 2

Which is aqua regia?

Question # 3

Tungsten and uranium are turned to an reaction with HNO3

Question # 4

Which property is not present in non-metals:

Question # 5

Which is the most reactive?

Question # 6

Which is an inert gas?

Question # 7

Colour of N2O4 is

Question # 8

SO3 is not absorbed in water directly to or H2SO4 because

Question # 9

Nitrogen is present in atmosphere

Question # 10

Sulphuric acid is used

Question # 11

Which has garlic like odour?

Question # 12

Specific gravity of HNO3 is

Question # 13

Reaction of HNO, with very dilute Zinc and at low temperature gives

Question # 14

Which can be prepared from HNO3?

Question # 15

Nitrogen is present in atmosphere by weight

Question # 16

SO2is not absorbed in water directly to or H2SO4because:

Question # 17

Among group V-A elements, the most electronegative element is:

Question # 18

Which property is not present in non-methals

Question # 19

Out of all the elements of group VI-A the highest melting and boiling points is shown by the elements:

Question # 20

Laughing gas is chemically

Question # 21

What are non-metals?

Question # 22

NO2 forms acidic solution

Question # 23

Which element belongs to group V-A?

Question # 24

Oxidation of NO in air produces

Question # 25

Which has sweetish taste?

Question # 26

Which element of group IV-A does not use d-orbital?

Question # 27

Which is laughing gas?

Question # 28

Which element of group IV-A does not use d — orbital?

Question # 29

Ring testis given by ions.

Question # 30

Which of the following species has the maximum number of unpaired electrons?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
2 SO3 is not absorbed in water directly to or H2SO4 because
A. the reaction does not go to completion.
B. the reaction is quite slow.
C. the reaction is exothermic.
D. SO3 is insoluble in water.
3 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
4 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
5 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
6 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
7 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
8 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
9 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
10 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%

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