Question # 1

Bleaching powder contains available chlorine approximately

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100%

70-80%

35-40%

10-20%

XeF6 n hydrolysis produces.

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XeOF2

XeOF3

XeOF4

XeF2

The anhydride of HCIO₄is

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CIO₃

CIO₂

Cl₂O₅

Cl₂O₇

Which one of the following acids acts as oxidizing agent but never a reducing agent.

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HCIO

HCIO2

HCIO3

HCIO4

Which one is chlorous acid

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HCIO

HCIO₂

HCIO₃

HCIO₄

Which of the following noble gas is used for arc welding and cutting

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Helium

Argon

Xenon

Radon

___________ is use as a cooling medium for nuclear reactors

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Ne

He

Ar

Kr

Which halogen will react spontaneously with Au(s) to produce Au³⁺

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Br₂

F₂

I₂

Cl₂

Which one is perchloric acid

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HClO

HClO₃

HClO₄

Which one of the following uses is not correctly related with the halogen.

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fluorine -------- Teflon

Chlorine ---------Bleaching powder

Bromine ---------------PVC plastics

Iodine -----------Iodex

Which acid can not be stored in glass bottles.

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HCl

HF

H2SO4

HNO3

Which one of the following gases exist in monoatomic form.

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Ozone

Nitrogen

Krypton

Phosphine

The anhydride of HCIO₄is

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CIO

CIO₂

CIO₃

CI₂O₇

What is the oxidation state of Xenon in XeOF2

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0

+2

+4

+6

Which element form maximum compounds with Xenon

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F

Cl

Br

I

Which is the second most abundant element in the universe

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H

He

CO

C

Bleaching powder may be produced by passing chlorine over

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calcium carbonate

hydrated calcium sulphate

calcium hydroxide

magnesium hydroxide

Which halogen will react spontaneously with Au to produce Au3+

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Br2

F2

I2

Cl2

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