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

Which property is not present in non-methals

Question # 2

Formation of NO from N2 and O2 requires temp

Question # 3

Which has sweetish taste?

Question # 4

What are non-metals?

Question # 5

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

Question # 6

The brown gas formed when metal reduces HNO3is

Question # 7

Which is aqua regia?

Question # 8

NO2 forms acidic solution

Question # 9

Nitrogen is present in atmosphere by weight:

Question # 10

SO2is not absorbed in water directly to or H2SO4because:

Question # 11

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

Question # 12

Aqua Regia has ratio of conc. HCl and HNO3

Question # 13

Which is laughing gas?

Question # 14

Which phosphorus is the most poisonous?

Question # 15

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

Question # 16

Which are metalloid?

Question # 17

NO2forms acidic solution:

Question # 18

Which is the most reactive?

Question # 19

Nitrogen is present in atmosphere

Question # 20

Aqua Regia has ration of conc. HCl and HNO3.

Question # 21

Allotropic forms of oxygen Te, Se are

Question # 22

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

Question # 23

The most stable phosphorus allotrope is

Question # 24

SO3 is not absorbed in water directly to or H2SO4 because

Question # 25

Structure of P4 is

Question # 26

Colour of N2O4 is

Question # 27

Which can be prepared from HNO3?

Question # 28

Which property is not present in non-metals:

Question # 29

Bone ash contains calcium phosphate

Question # 30

Nitrogen is present in atmosphere by weight

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which element of group IV-A does not use d — orbital?
A. N
B. P
C. As
D. Sb
2 Aqua Regia has ration of conc. HCl and HNO3.
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
3 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
4 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
5 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
6 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
7 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
8 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
9 Tungsten and uranium are turned to an reaction with HNO3
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
10 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO

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