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

00:00
Question # 1

Ring testis given by ions.

Question # 2

Nitrogen is present in atmosphere by weight

Question # 3

Calcium carbonates contains oxygen in it:

Question # 4

Allotropic forms of phosphorus are

Question # 5

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

Question # 6

Nitrogen is present in atmosphere

Question # 7

Colour of N2O4 is

Question # 8

Which property is not present in non-methals

Question # 9

The most stable phosphorus allotrope is

Question # 10

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

Question # 11

SO2is not absorbed in water directly to or H2SO4because:

Question # 12

Which gas is heavier than air?

Question # 13

NO2 forms acidic solution

Question # 14

The brown gas formed when metal reduces HNO3is

Question # 15

Aqua Regia has ratio of conc. HCl and HNO3

Question # 16

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

Question # 17

Which has sweetish taste?

Question # 18

NO2forms acidic solution:

Question # 19

Which is an inert gas?

Question # 20

Formation of NO from N2 and O2 requires temp

Question # 21

All elements of group VI-A non-metal except

Question # 22

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

Question # 23

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

Question # 24

Which property is not present in non-metals:

Question # 25

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

Question # 26

Which element belongs to group V-A?

Question # 27

What are non-metals?

Question # 28

Colour of PCl5is:

Question # 29

Nitrogen is present in atmosphere by weight:

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 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
2 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%
3 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
4 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
5 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
6 Colour of N2O4 is
A. Raddish brown
B. Yellow
C. Colouries
D. green
7 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
8 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
9 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
10 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%

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