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 107340

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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Q:

Select the antonym of

to dawdle

A) to loiter	B) to mosey
C) to hasten	D) to saunter

Answer & Explanation Answer: C) to hasten

Explanation:

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0 106642

Q:

Which of the following is the MOST OPPOSITE in meaning to the given word?

Interim

A) Medieval	B) Tentative
C) Interval	D) Permanent

Answer & Explanation Answer: D) Permanent

Explanation:

“Interim” means in or for the intervening period; provisional. Options B and C are synonyms of the word and A and E are irrelevant. “Permanent” is the word which best explains the opposite meaning of “interim”. Thus, option D is the correct answer4

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1 106627

Q:

Select the antonym of

to amputate

A) to sever	B) to fasten
C) to truncate	D) to lop

Answer & Explanation Answer: B) to fasten

Explanation:

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0 106277

Q:

Select the synonym of

evicted

A) congenial	B) sympathetic
C) cordial	D) ousted

Answer & Explanation Answer: D) ousted

Explanation:

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0 106181

Q:

Select the synonym of

incursion

A) hurt	B) retreat
C) aggression	D) cut

Answer & Explanation Answer: C) aggression

Explanation:

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5 106121

Q:

Sardar Patel Stadium in Ahmedabad is renamed as

A) Narendra Modi Stadium	B) Veer Narayan Stadium
C) SR Patel Stadium	D) Wisden Stadium

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