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 gas is heavier than air?

Question # 2

Formation of NO from N2 and O2 requires temp

Question # 3

Bone ash contains calcium phosphate

Question # 4

Which is aqua regia?

Question # 5

Posphorus belongs to a group

Question # 6

Specific gravity of HNO3 is

Question # 7

Nitrogen is present in atmosphere

Question # 8

Oxidation of NO in air produces

Question # 9

Which property is not present in non-metals:

Question # 10

Which element belongs to group V-A?

Question # 11

Colour of PCl5is:

Question # 12

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

Question # 13

SO3 is not absorbed in water directly to or H2SO4 because

Question # 14

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

Question # 15

Laughing gas is chemically

Question # 16

Nitrogen is present in atmosphere by weight:

Question # 17

Which is laughing gas?

Question # 18

Calcium carbonate contains oxygen in it

Question # 19

Nitrogen is present in atmosphere by weight

Question # 20

Colour of N2O4 is

Question # 21

Which has garlic like odour?

Question # 22

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

Question # 23

Which are metalloid?

Question # 24

The brown gas formed when metal reduces HNO3is

Question # 25

Allotropic forms of phosphorus are

Question # 26

Group VI-A elements are called:

Question # 27

Which is the most reactive?

Question # 28

Structure of P4 is

Question # 29

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

Question # 30

Which is nitrous acid?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As
2 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
3 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
4 Colour of N2O4 is
A. Raddish brown
B. Yellow
C. Colouries
D. green
5 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
6 All elements of group VI-A non-metal except
A. Te
B. S
C. Se
D. Po
7 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
8 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
9 Reaction of HNO, with very dilute Zinc and at low temperature gives
A. H2
B. NO
C. NO2
D. NH4
10 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity

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