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

Aqua Regia has ration of conc. HCl and HNO3.

Question # 3

Which has sweetish taste?

Question # 4

Which catalyst is used in contact process?

Question # 5

Which can be prepared from HNO3?

Question # 6

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

Question # 7

SO3 is not absorbed in water directly to or H2SO4 because

Question # 8

Which is aqua regia?

Question # 9

Which is an inert gas?

Question # 10

Colour of N2O4 is

Question # 11

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

Question # 12

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 13

Nitrogen is present in atmosphere by weight

Question # 14

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

Question # 15

Allotropic forms of sulpher are

Question # 16

Sulphuric acid is used

Question # 17

Oxidation of NO in air produces

Question # 18

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

Question # 19

NO2forms acidic solution:

Question # 20

Which phosphorus is the most poisonous?

Question # 21

Calcium carbonate contains oxygen in it

Question # 22

Which has garlic like odour?

Question # 23

All elements of group VI-A non-metal except

Question # 24

Colour of PCl5is:

Question # 25

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

Question # 26

Which are metalloid?

Question # 27

Ring testis given by ions.

Question # 28

Nitrogen is present in atmosphere by weight:

Question # 29

Bone ash contains calcium phosphate

Question # 30

Nitrogen is present in atmosphere

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Nitrogen is present in atmosphere
A. 36%
B. 78%
C. 89%
D. 21%
2 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
3 Out of all the elements of group VI-A the highest melting and boiling points is shown by the elements:
A. Te
B. Se
C. S
D. Pb
4 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
5 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
6 Nitrogen is present in atmosphere by weight:
A. 75%
B. 76%
C. 77%
D. 78%
7 Aqua Regia has ration of conc. HCl and HNO3.
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
8 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
9 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
10 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six

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