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

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Question # 1

The brown gas formed when metal reduces HNO3is

Question # 2

Which is laughing gas?

Question # 3

Which phosphorus is the most poisonous?

Question # 4

Laughing gas is chemically

Question # 5

Allotropic forms of sulpher are

Question # 6

Which element belongs to group V-A?

Question # 7

Formation of NO from N2 and O2 requires temp

Question # 8

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

Question # 9

Tungsten and uranium are turned to an reaction with HNO3

Question # 10

SO2is not absorbed in water directly to or H2SO4because:

Question # 11

Which property is not present in non-metals:

Question # 12

Aqua Regia has ration of conc. HCl and HNO3.

Question # 13

All elements of group VI-A non-metal except

Question # 14

Colour of N2O4 is

Question # 15

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

Question # 16

Bone ash contains calcium phosphate

Question # 17

Colour of PCl5is:

Question # 18

The most stable phosphorus allotrope is

Question # 19

Structure of P4 is

Question # 20

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

Question # 21

Which property is not present in non-methals

Question # 22

Oxidation of NO in air produces

Question # 23

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

Question # 24

Posphorus belongs to a group

Question # 25

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

Question # 26

NO2forms acidic solution:

Question # 27

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 28

Calcium carbonate contains oxygen in it

Question # 29

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

Question # 30

Group VI-A elements are called:

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
2 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
3 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
4 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
5 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
6 SO2is not absorbed in water directly to or H2SO4because:
A. The reaction does not go to completion
B. the reaction is quite slow
C. the reaction is exothemic
D. SO3is insolublein water
7 Which element belongs to group V-A?
A. Cs
B. Ba
C. Sr
D. Bi
8 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
9 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
10 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%

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