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

Posphorus belongs to a group

Question # 2

Structure of P4 is

Question # 3

Colour of N2O4 is

Question # 4

Nitrogen is present in atmosphere

Question # 5

The brown gas formed when metal reduces HNO3is

Question # 6

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

Question # 7

What are non-metals?

Question # 8

Aqua Regia has ratio of conc. HCl and HNO3

Question # 9

Nitrogen is present in atmosphere by weight

Question # 10

NO2 forms acidic solution

Question # 11

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

Question # 12

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

Question # 13

Colour of PCl5is:

Question # 14

NO2forms acidic solution:

Question # 15

Laughing gas is chemically

Question # 16

Which is nitrous acid?

Question # 17

Which phosphorus is the most poisonous?

Question # 18

Allotropic forms of phosphorus are

Question # 19

Tungsten and uranium are turned to an reaction with HNO3

Question # 20

Which has sweetish taste?

Question # 21

Which property is not present in non-methals

Question # 22

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

Question # 23

Sulphuric acid is used

Question # 24

Which element belongs to group V-A?

Question # 25

Group VI-A elements are called:

Question # 26

Which has garlic like odour?

Question # 27

Which gas is heavier than air?

Question # 28

Which property is not present in non-metals:

Question # 29

Aqua Regia has ration of conc. HCl and HNO3.

Question # 30

Calcium carbonates contains oxygen in it:

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
2 Which is an inert gas?
A. Nitrogen
B. Oxygen
C. Hydrogen
D. CO
3 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
4 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
5 Which is the most reactive?
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
6 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
7 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
8 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
9 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
10 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth

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