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

Aqua Regia has ratio of conc. HCl and HNO3

Question # 2

All elements of group VI-A non-metal except

Question # 3

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

Question # 4

SO2is not absorbed in water directly to or H2SO4because:

Question # 5

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

Question # 6

Which is an inert gas?

Question # 7

Which is nitrous acid?

Question # 8

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

Question # 9

Colour of N2O4 is

Question # 10

What are non-metals?

Question # 11

Posphorus belongs to a group

Question # 12

Which has sweetish taste?

Question # 13

Sulphuric acid is used

Question # 14

The brown gas formed when metal reduces HNO3is

Question # 15

Nitrogen is present in atmosphere by weight

Question # 16

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

Question # 17

Which catalyst is used in contact process?

Question # 18

Allotropic forms of phosphorus are

Question # 19

Calcium carbonate contains oxygen in it

Question # 20

Formation of NO from N2 and O2 requires temp

Question # 21

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

Question # 22

Group VI-A elements are called:

Question # 23

Which is the most reactive?

Question # 24

Nitrogen is present in atmosphere by weight:

Question # 25

Aqua Regia has ration of conc. HCl and HNO3.

Question # 26

Laughing gas is chemically

Question # 27

Which property is not present in non-metals:

Question # 28

Which property is not present in non-methals

Question # 29

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

Question # 30

Which gas is heavier than air?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
2 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
3 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
4 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
5 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%
6 Reaction of HNO, with very dilute Zinc and at low temperature gives
A. H2
B. NO
C. NO2
D. NH4
7 Aqua Regia has ratio of conc. HCl and HNO3
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
8 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
9 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
10 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these

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