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

Sulphuric acid is used

Question # 2

Which has sweetish taste?

Question # 3

Which can be prepared from HNO3?

Question # 4

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

Question # 5

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

Question # 6

Which is laughing gas?

Question # 7

NO2 forms acidic solution

Question # 8

Which phosphorus is the most poisonous?

Question # 9

Nitrogen is present in atmosphere by weight

Question # 10

Ring testis given by ions.

Question # 11

Nitrogen is present in atmosphere

Question # 12

Calcium carbonate contains oxygen in it

Question # 13

All elements of group VI-A non-metal except

Question # 14

Allotropic forms of sulpher are

Question # 15

Which catalyst is used in contact process?

Question # 16

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

Question # 17

Specific gravity of HNO3 is

Question # 18

Colour of N2O4 is

Question # 19

Which are metalloid?

Question # 20

Which is the most reactive?

Question # 21

Tungsten and uranium are turned to an reaction with HNO3

Question # 22

Colour of PCl5is:

Question # 23

Allotropic forms of oxygen Te, Se are

Question # 24

Which gas is heavier than air?

Question # 25

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

Question # 26

Group VI-A elements are called:

Question # 27

Oxidation of NO in air produces

Question # 28

Aqua Regia has ratio of conc. HCl and HNO3

Question # 29

Bone ash contains calcium phosphate

Question # 30

Formation of NO from N2 and O2 requires temp

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
2 Which is an inert gas?
A. Nitrogen
B. Oxygen
C. Hydrogen
D. CO
3 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO
4 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
5 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
6 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
7 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
8 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
9 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
10 Out of all the elements of group V1-A the highest melting and boiling points is shown by the element
A. Te
B. Se
C. S
D. Pb

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