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

Question # 2

Allotropic forms of sulpher are

Question # 3

Nitrogen is present in atmosphere

Question # 4

Out of all the elements of group V1-A the highest melting and boiling points is shown by the element

Question # 5

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 6

Which has sweetish taste?

Question # 7

The most stable phosphorus allotrope is

Question # 8

The brown gas formed when metal reduces HNO3is

Question # 9

Bone ash contains calcium phosphate

Question # 10

Which is the most reactive?

Question # 11

Which property is not present in non-methals

Question # 12

Which can be prepared from HNO3?

Question # 13

NO2forms acidic solution:

Question # 14

Aqua Regia has ratio of conc. HCl and HNO3

Question # 15

Colour of N2O4 is

Question # 16

Which element belongs to group V-A?

Question # 17

Nitrogen is present in atmosphere by weight:

Question # 18

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

Question # 19

Which are metalloid?

Question # 20

Which catalyst is used in contact process?

Question # 21

Ring testis given by ions.

Question # 22

What are non-metals?

Question # 23

Tungsten and uranium are turned to an reaction with HNO3

Question # 24

Sulphuric acid is used

Question # 25

Posphorus belongs to a group

Question # 26

Group VI-A elements are called:

Question # 27

SO3 is not absorbed in water directly to or H2SO4 because

Question # 28

Calcium carbonates contains oxygen in it:

Question # 29

Allotropic forms of phosphorus are

Question # 30

Aqua Regia has ration of conc. HCl and HNO3.

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Reaction of HNO, with very dilute Zinc and at low temperature gives
A. H2
B. NO
C. NO2
D. NH4
2 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
3 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
4 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
5 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
6 Aqua Regia has ration of conc. HCl and HNO3.
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
7 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
8 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
9 Which element belongs to group V-A?
A. Cs
B. Ba
C. Sr
D. Bi
10 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%

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