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 are metalloid?

Question # 2

Which element belongs to group V-A?

Question # 3

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

Question # 4

Nitrogen is present in atmosphere

Question # 5

Nitrogen is present in atmosphere by weight:

Question # 6

Allotropic forms of phosphorus are

Question # 7

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

Question # 8

Nitrogen is present in atmosphere

Question # 9

Which phosphorus is the most poisonous?

Question # 10

Sulphuric acid is used

Question # 11

NO2 forms acidic solution

Question # 12

Colour of PCl5is:

Question # 13

The brown gas formed when metal reduces HNO3is

Question # 14

Specific gravity of HNO3 is

Question # 15

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

Question # 16

Structure of P4 is

Question # 17

All elements of group VI-A non-metal except

Question # 18

What are non-metals?

Question # 19

Which is an inert gas?

Question # 20

NO2forms acidic solution:

Question # 21

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

Question # 22

Nitrogen is present in atmosphere by weight

Question # 23

Calcium carbonate contains oxygen in it

Question # 24

Which property is not present in non-metals:

Question # 25

Formation of NO from N2 and O2 requires temp

Question # 26

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 27

Group VI-A elements are called:

Question # 28

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

Question # 29

Which has sweetish taste?

Question # 30

Ring testis given by ions.

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4
2 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
3 Out of all the elements of group V1-A the highest melting and boiling points is shown by the element
A. Te
B. Se
C. S
D. Pb
4 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
5 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
6 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
7 All elements of group VI-A non-metal except
A. Te
B. S
C. Se
D. Po
8 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
9 Colour of N2O4 is
A. Raddish brown
B. Yellow
C. Colouries
D. green
10 SO3 is not absorbed in water directly to or H2SO4 because
A. the reaction does not go to completion.
B. the reaction is quite slow.
C. the reaction is exothermic.
D. SO3 is insoluble in water.

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