ECAT Pre Engineering Chemistry Chapter 16 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 16 The Halogens and The Noble Gases

Try The MCQ's Test For ECAT Chemistry Chapter 16 The Halogens and The Noble Gases

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ECAT Chemistry Chapter 16 The Halogens and The Noble Gases

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Question # 1

The strongest acid is

Question # 2

Colour of Iodine is

Question # 3

Astatine belongs to group:

Question # 4

Second most element in the universe is

Question # 5

Non sticking coating in cooking utensils is done by

Question # 6

Bleaching powder may be produced by passing chlorine over

Question # 7

Nobel gases are placed group:

Question # 8

Which is the strongest acid?

Question # 9

Bleaching powder is prepared by the reaction of Cl2 with.

Question # 10

Which is used in bacterial lamps

Question # 11

The available chlorine is bleaching power is

Question # 12

Chlorine heptoxide (Cl2O7) reacts with water to form

Question # 13

A property which differs fluorine from the other halogens?

Question # 14

Which compound of noble gas xenon can be prepared?

Question # 15

the anhydride of HCIO4is

Question # 16

Which is used as cooling medium in nuclear reactors?

Question # 17

Molecule of halogens exist as

Question # 18

Perchloric acid can be stored in solution form

Question # 19

Noble gases are placed in group

Question # 20

Chlorin heptoxide reacts with water to form:

Question # 21

I2O5is used for quantitative study of

Question # 22

The strongest hydrogen bond is in

Question # 23

The most reactive elements are:

Question # 24

Which halogen has Iustrous shining?

Question # 25

Smell of halogen is

Question # 26

Smell of halogens is:

Question # 27

Which halogen occurs naturally in a positive oxidation state?

Question # 28

Which is present as a result of radioactive decay on earth?

Question # 29

Gaseous HF exists in the form of

Question # 30

The compound with cyclic hexamer is

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 The compound with cyclic hexamer is
A. HF
B. HCl
C. HBr
D. HI
2 The most reactive elements are
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII-A
3 Bleaching powder may be produced by passing chlorine over
A. Calcium carbonate
B. Hydrated calcium sulphate
C. Anhydrous calcium sulphate
D. Calcium hydroxide
4 Corrosion proof parts of machinery are prepared from
A. Iron
B. Copper
C. Plastic
D. Teflon
5 An element that has a high ionization energy and tends to be chemically inactive would most likely to be
A. an alkali metal
B. a transition element
C. a noble gas
D. a halogen
6 Non sticking coating in cooking utensils is done by
A. Iron
B. Cooper
C. Plastic
D. Teflon
7 Half life period of astatine is
A. 8.1 hrs
B. 8.2 Hrs
C. 8.3 hrs
D. 8.4 hrs
8 The most reactive elements are:
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII -A
9 Oxidation state of fluorine is:
A. +1
B. +2
C. -1
D. -2
10 Smell of halogen is
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg

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