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

Oxidation of NO in air produces

Question # 2

Which can be prepared from HNO3?

Question # 3

Which property is not present in non-metals:

Question # 4

Calcium carbonate contains oxygen in it

Question # 5

NO2forms acidic solution:

Question # 6

Specific gravity of HNO3 is

Question # 7

NO2 forms acidic solution

Question # 8

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

Question # 9

Allotropic forms of oxygen Te, Se are

Question # 10

Tungsten and uranium are turned to an reaction with HNO3

Question # 11

All elements of group VI-A non-metal except

Question # 12

Which has sweetish taste?

Question # 13

Which property is not present in non-methals

Question # 14

Colour of N2O4 is

Question # 15

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

Question # 16

Ring testis given by ions.

Question # 17

Nitrogen is present in atmosphere by weight:

Question # 18

Group VI-A elements are called:

Question # 19

Aqua Regia has ratio of conc. HCl and HNO3

Question # 20

Which is laughing gas?

Question # 21

Nitrogen is present in atmosphere by weight

Question # 22

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

Question # 23

Aqua Regia has ration of conc. HCl and HNO3.

Question # 24

Allotropic forms of sulpher are

Question # 25

Which has garlic like odour?

Question # 26

Which gas is heavier than air?

Question # 27

Nitrogen is present in atmosphere

Question # 28

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

Question # 29

Calcium carbonates contains oxygen in it:

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 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO
2 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As
3 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
4 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
5 Nitrogen is present in atmosphere by weight
A. 75%
B. 76%
C. 77%
D. 78%
6 Reaction of HNO, with very dilute Zinc and at low temperature gives
A. H2
B. NO
C. NO2
D. NH4
7 Nitrogen is present in atmosphere
A. 36%
B. 78%
C. 89%
D. 21%
8 Formation of NO from N2 and O2 requires temp
A. 300C
B. 3000C
C. 30000C
D. 300000C
9 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
10 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens

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