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 is the most reactive?

Question # 2

The brown gas formed when metal reduces HNO3is

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Posphorus belongs to a group

Question # 7

Sulphuric acid is used

Question # 8

Bone ash contains calcium phosphate

Question # 9

Colour of N2O4 is

Question # 10

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

Question # 11

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

Question # 12

Formation of NO from N2 and O2 requires temp

Question # 13

Which catalyst is used in contact process?

Question # 14

Calcium carbonate contains oxygen in it

Question # 15

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 16

SO2is not absorbed in water directly to or H2SO4because:

Question # 17

Which element belongs to group V-A?

Question # 18

Specific gravity of HNO3 is

Question # 19

Nitrogen is present in atmosphere by weight:

Question # 20

Which can be prepared from HNO3?

Question # 21

Which are metalloid?

Question # 22

Out of all the elements of group V-A , the highest ionization energy is possessed by:

Question # 23

Which is aqua regia?

Question # 24

NO2forms acidic solution:

Question # 25

Nitrogen is present in atmosphere

Question # 26

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

Question # 27

Colour of PCl5is:

Question # 28

Which property is not present in non-metals:

Question # 29

Which phosphorus is the most poisonous?

Question # 30

Calcium carbonates contains oxygen in it:

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
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 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
4 Nitrogen is present in atmosphere
A. 36%
B. 78%
C. 89%
D. 21%
5 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
6 NO2 forms acidic solution
A. Red
B. Blue
C. Green
D. Brown
7 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO
8 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%
9 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
10 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A

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