Q:

Which are two chemicals used to purify water?

A) Chlorine & Fluorine	B) Fluorine & Iodine
C) Chlorine & Hydrogen peroxide	D) Fluorine & Iodine

Answer & Explanation Answer: C) Chlorine & Hydrogen peroxide

Explanation:

Removing the contaminents if any in the water which causes harm to our health is involved in the purifying of water.

This process involves chemicals. Chloramines, Hydrogen peroxide, Iodine are the chemicals which are used in purifying water.

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1 107130

Q:

Select the synonym of

transient

A) lacerate	B) ephemeral
C) perpetual	D) enduring

Answer & Explanation Answer: B) ephemeral

Explanation:

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1 107118

Q:

Select the synonym of

antithesis

A) contradictory	B) harmony
C) affinity	D) analogy

Answer & Explanation Answer: A) contradictory

Explanation:

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0 107116

Q:

Give the common name for the following compound

${({CH}_{3})}_{2} CH {CH}_{2} - Br$

A) Isobutyl bromide	B) Methyl bromide
C) Propyl bromide	D) Butyl bromide

Answer & Explanation Answer: A) Isobutyl bromide

Explanation:

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7 106741

Q:

What is the IUPAC name for the following compound?

$H_{3} C - C \equiv C - H$

A) Acetylene	B) Methyl acetylene
C) Butanol	D) Decanoic Acid

Answer & Explanation Answer: B) Methyl acetylene

Explanation:

The IUPAC name of the compound is Methyl Acetylene or Propyne.

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21 105949

Q:

Select the antonym of

beleaguer

A) gnaw	B) assist
C) badger	D) pester

Answer & Explanation Answer: B) assist

Explanation:

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Q:

Select the antonym of

fuddle

A) upset	B) explicate
C) nonplus	D) rattle

Answer & Explanation Answer: B) explicate

Explanation:

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0 105070

Q:

Select the antonym of

violation

A) abuse	B) obedience
C) felony	D) crime

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