Question # 1

The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.

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KMnO4

O3

Alum

Chloramines

Ethanol can be converted into ethanoic acid by.

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Hydrogenation

Hydration

Oxidation

Fermentation

Out of the elements of group VA, the highest energy is possessed by

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N

P

Sb

Bi

Which one of the following gases is used welding purpose usualy.

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Methane

Ethane

Ethene

Acetylene

Which of the following species is ortho and para director.

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CHO

SO3H

NO2

Cl

Cannizzaro's reaction is not given by

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Formaldehyde

Acetaldehyde

Benzaldehyde

Trithylacetaldehyde

In which layer of atmosphere, ozone is present.

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Thermosphere

Mesosphere

Stratosphere

Troposphere

Whcih water will be considered as polluted water.

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High value of COD

Low value of COD

High value of DO

Low value of BOD

Which element reacts with alkali and H2 gas is produced.

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Be

Mg

Ca

Sr

Maximum number of unpaired electrons is in

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O₂

O₂⁺

O₂^-

O₂^2-

Electron affinity is measure of energy

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Required to remover the electron

Released by adding an electron

Required to excite an electron

Released by removing an electron

The anhydride of HCIO₄is

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CIO₃

CIO₂

Cl₂O₅

Cl₂O₇

Which amino acid is present in cheese

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Glycine

Alanine

Tyrosine

Valine

Acetaldehyde can be prepared by the oxidation of.

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Acetic acid

Ethanol

1- Proponal

Ethanonic acid

Phosphorous helps the growth of

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root

leave

stem

seed

Aluminium oxide is.

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Acidic oxide

Basic oxide

Amphoteric oxide

None of these

Common names of aldehydes are derived from the common names of.

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Alcohol

Ketones

Carboxylic acids

Alkenes

Ozone depletion in stratosphere region is mainly due to the reaction of O3 with

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O2

SO2

CFCs

All of these

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Chemistry Fsc Part 2 Online Test MCQs With Answers

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