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

NO2forms acidic solution:

Question # 2

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

Question # 3

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

Question # 4

Which property is not present in non-metals:

Question # 5

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

Question # 6

SO2is not absorbed in water directly to or H2SO4because:

Question # 7

Aqua Regia has ration of conc. HCl and HNO3.

Question # 8

Formation of NO from N2 and O2 requires temp

Question # 9

Tungsten and uranium are turned to an reaction with HNO3

Question # 10

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

Question # 11

SO3 is not absorbed in water directly to or H2SO4 because

Question # 12

Calcium carbonates contains oxygen in it:

Question # 13

NO2 forms acidic solution

Question # 14

Specific gravity of HNO3 is

Question # 15

Nitrogen is present in atmosphere by weight

Question # 16

Bone ash contains calcium phosphate

Question # 17

What are non-metals?

Question # 18

Colour of N2O4 is

Question # 19

Which element belongs to group V-A?

Question # 20

Allotropic forms of sulpher are

Question # 21

Allotropic forms of oxygen Te, Se are

Question # 22

Which has sweetish taste?

Question # 23

Which property is not present in non-methals

Question # 24

Allotropic forms of phosphorus are

Question # 25

Ring testis given by ions.

Question # 26

Calcium carbonate contains oxygen in it

Question # 27

Nitrogen is present in atmosphere by weight:

Question # 28

Aqua Regia has ratio of conc. HCl and HNO3

Question # 29

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

Question # 30

Which is nitrous acid?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Reaction of HNO, with very dilute Zinc and at low temperature gives
A. H2
B. NO
C. NO2
D. NH4
2 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
3 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six
4 Which of the following species has the maximum number of unpaired electrons?
A. O2
B. O2+
C. O2-
D. O2-2
5 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
6 Aqua Regia has ratio of conc. HCl and HNO3
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
7 Nitrogen is present in atmosphere by weight
A. 75%
B. 76%
C. 77%
D. 78%
8 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.
9 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4
10 All elements of group VI-A non-metal except
A. Te
B. S
C. Se
D. Po

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