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

Allotropic forms of phosphorus are

Question # 2

Formation of NO from N2 and O2 requires temp

Question # 3

Colour of N2O4 is

Question # 4

Which is nitrous acid?

Question # 5

Which are metalloid?

Question # 6

NO2 forms acidic solution

Question # 7

Which is aqua regia?

Question # 8

Which has sweetish taste?

Question # 9

Tungsten and uranium are turned to an reaction with HNO3

Question # 10

Oxidation of NO in air produces

Question # 11

Which element belongs to group V-A?

Question # 12

Which property is not present in non-metals:

Question # 13

The most stable phosphorus allotrope is

Question # 14

Aqua Regia has ration of conc. HCl and HNO3.

Question # 15

Ring testis given by ions.

Question # 16

Group VI-A elements are called:

Question # 17

Laughing gas is chemically

Question # 18

Structure of P4 is

Question # 19

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

Question # 20

Which property is not present in non-methals

Question # 21

Nitrogen is present in atmosphere

Question # 22

SO3 is not absorbed in water directly to or H2SO4 because

Question # 23

Which is laughing gas?

Question # 24

Allotropic forms of sulpher are

Question # 25

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

Question # 26

Allotropic forms of oxygen Te, Se are

Question # 27

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

Question # 28

NO2forms acidic solution:

Question # 29

All elements of group VI-A non-metal except

Question # 30

Which is the most reactive?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
2 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
3 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
4 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
5 Tungsten and uranium are turned to an reaction with HNO3
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
6 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
7 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
8 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
9 Nitrogen is present in atmosphere by weight:
A. 75%
B. 76%
C. 77%
D. 78%
10 NO2 forms acidic solution
A. Red
B. Blue
C. Green
D. Brown

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