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

Allotropic forms of sulpher are

Question # 2

Which are metalloid?

Question # 3

Which gas is heavier than air?

Question # 4

Sulphuric acid is used

Question # 5

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

Question # 6

Which is aqua regia?

Question # 7

SO3 is not absorbed in water directly to or H2SO4 because

Question # 8

Which element belongs to group V-A?

Question # 9

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

Question # 10

Formation of NO from N2 and O2 requires temp

Question # 11

The most stable phosphorus allotrope is

Question # 12

Allotropic forms of oxygen Te, Se are

Question # 13

Which is the most reactive?

Question # 14

Which has garlic like odour?

Question # 15

Specific gravity of HNO3 is

Question # 16

Allotropic forms of phosphorus are

Question # 17

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

Question # 18

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

Question # 19

Aqua Regia has ratio of conc. HCl and HNO3

Question # 20

Which property is not present in non-metals:

Question # 21

Which phosphorus is the most poisonous?

Question # 22

Bone ash contains calcium phosphate

Question # 23

Calcium carbonates contains oxygen in it:

Question # 24

Nitrogen is present in atmosphere

Question # 25

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

Question # 26

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 27

Which has sweetish taste?

Question # 28

All elements of group VI-A non-metal except

Question # 29

Which is an inert gas?

Question # 30

Which is nitrous acid?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
2 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
3 NO2 forms acidic solution
A. Red
B. Blue
C. Green
D. Brown
4 Tungsten and uranium are turned to an reaction with HNO3
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
5 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.
6 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five
7 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
8 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
9 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
10 Which of the following species has the maximum number of unpaired electrons?
A. O2
B. O2+
C. O2-
D. O2-2

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