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

Structure of P4 is

Question # 3

NO2forms acidic solution:

Question # 4

SO2is not absorbed in water directly to or H2SO4because:

Question # 5

What are non-metals?

Question # 6

Which gas is heavier than air?

Question # 7

Which property is not present in non-methals

Question # 8

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

Question # 9

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

Question # 10

Allotropic forms of phosphorus are

Question # 11

Oxidation of NO in air produces

Question # 12

Which is aqua regia?

Question # 13

Group VI-A elements are called:

Question # 14

Aqua Regia has ratio of conc. HCl and HNO3

Question # 15

Colour of N2O4 is

Question # 16

Bone ash contains calcium phosphate

Question # 17

All elements of group VI-A non-metal except

Question # 18

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

Question # 19

Which is laughing gas?

Question # 20

Which is the most reactive?

Question # 21

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

Question # 22

Nitrogen is present in atmosphere

Question # 23

SO3 is not absorbed in water directly to or H2SO4 because

Question # 24

The most stable phosphorus allotrope is

Question # 25

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

Question # 26

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

Question # 27

Nitrogen is present in atmosphere by weight

Question # 28

Ring testis given by ions.

Question # 29

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

Question # 30

Nitrogen is present in atmosphere

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
2 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
3 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
4 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five
5 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
6 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
7 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
8 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
9 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
10 Colour of N2O4 is
A. Raddish brown
B. Yellow
C. Colouries
D. green

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