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

Ring testis given by ions.

Question # 2

NO2forms acidic solution:

Question # 3

Colour of PCl5is:

Question # 4

Colour of N2O4 is

Question # 5

SO3 is not absorbed in water directly to or H2SO4 because

Question # 6

Calcium carbonates contains oxygen in it:

Question # 7

Sulphuric acid is used

Question # 8

Which is the most reactive?

Question # 9

Tungsten and uranium are turned to an reaction with HNO3

Question # 10

Specific gravity of HNO3 is

Question # 11

SO2is not absorbed in water directly to or H2SO4because:

Question # 12

Which phosphorus is the most poisonous?

Question # 13

Bone ash contains calcium phosphate

Question # 14

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

Question # 15

Which property is not present in non-methals

Question # 16

Which has sweetish taste?

Question # 17

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

Question # 18

Allotropic forms of sulpher are

Question # 19

Which property is not present in non-metals:

Question # 20

All elements of group VI-A non-metal except

Question # 21

Formation of NO from N2 and O2 requires temp

Question # 22

Nitrogen is present in atmosphere by weight:

Question # 23

Aqua Regia has ration of conc. HCl and HNO3.

Question # 24

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

Question # 25

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

Question # 26

Allotropic forms of oxygen Te, Se are

Question # 27

Aqua Regia has ratio of conc. HCl and HNO3

Question # 28

Which is laughing gas?

Question # 29

Which are metalloid?

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
2 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
3 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
4 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO
5 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As
6 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
7 Out of all the elements of group V-A, the highest ionization energy is possessed by
A. N
B. P
C. Sb
D. Bi
8 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
9 All elements of group VI-A non-metal except
A. Te
B. S
C. Se
D. Po
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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