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

Laughing gas is chemically

Question # 2

NO2 forms acidic solution

Question # 3

Which property is not present in non-methals

Question # 4

Colour of N2O4 is

Question # 5

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

Question # 6

Group VI-A elements are called:

Question # 7

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

Question # 8

Specific gravity of HNO3 is

Question # 9

Nitrogen is present in atmosphere by weight:

Question # 10

Which is nitrous acid?

Question # 11

What are non-metals?

Question # 12

Which element belongs to group V-A?

Question # 13

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

Question # 14

SO2is not absorbed in water directly to or H2SO4because:

Question # 15

Allotropic forms of sulpher are

Question # 16

Which catalyst is used in contact process?

Question # 17

Colour of PCl5is:

Question # 18

Allotropic forms of oxygen Te, Se are

Question # 19

Which can be prepared from HNO3?

Question # 20

Formation of NO from N2 and O2 requires temp

Question # 21

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

Question # 22

Which is aqua regia?

Question # 23

Which are metalloid?

Question # 24

Allotropic forms of phosphorus are

Question # 25

Nitrogen is present in atmosphere

Question # 26

Bone ash contains calcium phosphate

Question # 27

Ring testis given by ions.

Question # 28

Calcium carbonates contains oxygen in it:

Question # 29

Which has sweetish taste?

Question # 30

Nitrogen is present in atmosphere

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
2 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
3 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
4 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
5 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
6 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
7 Oxidation of NO in air produces
A. N2O
B. N2O3
C. N2O4
D. N2O5
8 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%
9 Which is the most reactive?
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
10 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As

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