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

Ring testis given by ions.

Question # 2

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

Question # 3

Bone ash contains calcium phosphate

Question # 4

Colour of PCl5is:

Question # 5

Aqua Regia has ration of conc. HCl and HNO3.

Question # 6

All elements of group VI-A non-metal except

Question # 7

Allotropic forms of sulpher are

Question # 8

Which element belongs to group V-A?

Question # 9

NO2forms acidic solution:

Question # 10

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

Question # 11

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 12

Which is the most reactive?

Question # 13

Which is aqua regia?

Question # 14

Which gas is heavier than air?

Question # 15

Calcium carbonate contains oxygen in it

Question # 16

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

Question # 17

Which phosphorus is the most poisonous?

Question # 18

The most stable phosphorus allotrope is

Question # 19

Specific gravity of HNO3 is

Question # 20

Which can be prepared from HNO3?

Question # 21

Nitrogen is present in atmosphere

Question # 22

Nitrogen is present in atmosphere

Question # 23

Laughing gas is chemically

Question # 24

Aqua Regia has ratio of conc. HCl and HNO3

Question # 25

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

Question # 26

SO2is not absorbed in water directly to or H2SO4because:

Question # 27

Which has sweetish taste?

Question # 28

Which catalyst is used in contact process?

Question # 29

Colour of N2O4 is

Question # 30

SO3 is not absorbed in water directly to or H2SO4 because

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
2 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
3 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
4 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
5 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
6 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
7 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
8 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six
9 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
10 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens

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