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 is laughing gas?

Question # 2

Aqua Regia has ration of conc. HCl and HNO3.

Question # 3

Sulphuric acid is used

Question # 4

All elements of group VI-A non-metal except

Question # 5

Which property is not present in non-methals

Question # 6

Ring testis given by ions.

Question # 7

Colour of N2O4 is

Question # 8

Formation of NO from N2 and O2 requires temp

Question # 9

Which is the most reactive?

Question # 10

Which has garlic like odour?

Question # 11

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 12

NO2 forms acidic solution

Question # 13

Tungsten and uranium are turned to an reaction with HNO3

Question # 14

Posphorus belongs to a group

Question # 15

Which is nitrous acid?

Question # 16

The brown gas formed when metal reduces HNO3is

Question # 17

Which is aqua regia?

Question # 18

Which phosphorus is the most poisonous?

Question # 19

Allotropic forms of phosphorus are

Question # 20

Nitrogen is present in atmosphere by weight:

Question # 21

Which is an inert gas?

Question # 22

Which catalyst is used in contact process?

Question # 23

Which are metalloid?

Question # 24

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

Question # 25

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

Question # 26

Allotropic forms of sulpher are

Question # 27

Oxidation of NO in air produces

Question # 28

Which has sweetish taste?

Question # 29

Which can be prepared from HNO3?

Question # 30

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

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ECAT Class Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Out of all the elements of group V1-A the highest melting and boiling points is shown by the element
A. Te
B. Se
C. S
D. Pb
2 Aqua Regia has ratio of conc. HCl and HNO3
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
3 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As
4 Formation of NO from N2 and O2 requires temp
A. 300C
B. 3000C
C. 30000C
D. 300000C
5 Reaction of HNO, with very dilute Zinc and at low temperature gives
A. H2
B. NO
C. NO2
D. NH4
6 SO2is not absorbed in water directly to or H2SO4because:
A. The reaction does not go to completion
B. the reaction is quite slow
C. the reaction is exothemic
D. SO3is insolublein water
7 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
8 All elements of group VI-A non-metal except
A. Te
B. S
C. Se
D. Po
9 Aqua Regia has ration of conc. HCl and HNO3.
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
10 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO

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