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

Which has garlic like odour?

Question # 2

Allotropic forms of phosphorus are

Question # 3

Which element belongs to group V-A?

Question # 4

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

Question # 5

SO2is not absorbed in water directly to or H2SO4because:

Question # 6

Calcium carbonates contains oxygen in it:

Question # 7

Laughing gas is chemically

Question # 8

Formation of NO from N2 and O2 requires temp

Question # 9

Tungsten and uranium are turned to an reaction with HNO3

Question # 10

NO2forms acidic solution:

Question # 11

Ring testis given by ions.

Question # 12

Allotropic forms of oxygen Te, Se are

Question # 13

The most stable phosphorus allotrope is

Question # 14

What are non-metals?

Question # 15

Allotropic forms of sulpher are

Question # 16

Which are metalloid?

Question # 17

Which is an inert gas?

Question # 18

Which is aqua regia?

Question # 19

NO2 forms acidic solution

Question # 20

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 21

The brown gas formed when metal reduces HNO3is

Question # 22

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

Question # 23

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

Question # 24

Which is the most reactive?

Question # 25

Which is laughing gas?

Question # 26

Which catalyst is used in contact process?

Question # 27

Which is nitrous acid?

Question # 28

Calcium carbonate contains oxygen in it

Question # 29

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

Question # 30

Which property is not present in non-metals:

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five
2 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
3 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
4 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
5 Formation of NO from N2 and O2 requires temp
A. 300C
B. 3000C
C. 30000C
D. 300000C
6 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
7 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
8 Nitrogen is present in atmosphere by weight:
A. 75%
B. 76%
C. 77%
D. 78%
9 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
10 Which element of group IV-A does not use d — orbital?
A. N
B. P
C. As
D. Sb

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