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

Which has sweetish taste?

Question # 2

Posphorus belongs to a group

Question # 3

Calcium carbonates contains oxygen in it:

Question # 4

All elements of group VI-A non-metal except

Question # 5

Formation of NO from N2 and O2 requires temp

Question # 6

Which catalyst is used in contact process?

Question # 7

Calcium carbonate contains oxygen in it

Question # 8

Nitrogen is present in atmosphere

Question # 9

Allotropic forms of phosphorus are

Question # 10

Which property is not present in non-methals

Question # 11

NO2forms acidic solution:

Question # 12

Nitrogen is present in atmosphere by weight

Question # 13

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

Question # 14

Group VI-A elements are called:

Question # 15

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

Question # 16

The brown gas formed when metal reduces HNO3is

Question # 17

Structure of P4 is

Question # 18

What are non-metals?

Question # 19

Which property is not present in non-metals:

Question # 20

Which can be prepared from HNO3?

Question # 21

Which has garlic like odour?

Question # 22

Allotropic forms of oxygen Te, Se are

Question # 23

Allotropic forms of sulpher are

Question # 24

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

Question # 25

Aqua Regia has ratio of conc. HCl and HNO3

Question # 26

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

Question # 27

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

Question # 28

Colour of N2O4 is

Question # 29

Laughing gas is chemically

Question # 30

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

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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 Formation of NO from N2 and O2 requires temp
A. 300C
B. 3000C
C. 30000C
D. 300000C
3 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4
4 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
5 Which of the following species has the maximum number of unpaired electrons?
A. O2
B. O2+
C. O2-
D. O2-2
6 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
7 Aqua Regia has ration of conc. HCl and HNO3.
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
8 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
9 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
10 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All

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