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

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

Question # 2

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

Question # 3

Which property is not present in non-methals

Question # 4

Which phosphorus is the most poisonous?

Question # 5

NO2 forms acidic solution

Question # 6

Allotropic forms of sulpher are

Question # 7

Laughing gas is chemically

Question # 8

Which is the most reactive?

Question # 9

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

Question # 10

Which has sweetish taste?

Question # 11

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

Question # 12

Which is an inert gas?

Question # 13

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

Question # 14

Aqua Regia has ration of conc. HCl and HNO3.

Question # 15

Structure of P4 is

Question # 16

Nitrogen is present in atmosphere

Question # 17

Calcium carbonate contains oxygen in it

Question # 18

The most stable phosphorus allotrope is

Question # 19

Which can be prepared from HNO3?

Question # 20

Oxidation of NO in air produces

Question # 21

Nitrogen is present in atmosphere by weight:

Question # 22

Posphorus belongs to a group

Question # 23

SO2is not absorbed in water directly to or H2SO4because:

Question # 24

Ring testis given by ions.

Question # 25

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

Question # 26

Which are metalloid?

Question # 27

SO3 is not absorbed in water directly to or H2SO4 because

Question # 28

The brown gas formed when metal reduces HNO3is

Question # 29

Calcium carbonates contains oxygen in it:

Question # 30

NO2forms acidic solution:

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Sr.# Question Answer
1 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
2 NO2 forms acidic solution
A. Red
B. Blue
C. Green
D. Brown
3 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
4 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
5 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
6 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
7 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
8 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
9 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%
10 Which is an inert gas?
A. Nitrogen
B. Oxygen
C. Hydrogen
D. CO

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