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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Q:

Logical puzzle

You work at a fruit factory.
There are 3 crates in front of you. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges. And each crate is labeled. One reads "apples", one reads "oranges", and one reads "apples and oranges". But the labeling machine has gone crazy and is now labeling all boxes incorrectly. If you can only take out and look at just one of the pieces of fruit from just one of the crates, how can you label ALL of the crates correctly?

Answer

Our solution:

Take a piece of fruit from the "apples and oranges" crate. If it's an apple then you know that is the "apples" crate since ALL THE CRATES ARE LABELED INCORRECTLY. This means the crate marked "apples" must be "oranges" and the crate marked "oranges" must be "apples and oranges".

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Subject: Logic Puzzles

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Q:

Agha khan cup is associated with

A) Football	B) Tennis
C) Cricket	D) Hockey

Answer & Explanation Answer: D) Hockey

Explanation:

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Q:

Select the synonym of

ominous

A) secure	B) auspicious
C) apocalyptic	D) propitious

Answer & Explanation Answer: C) apocalyptic

Explanation:

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Q:

The Most Abundant Rare Gas in the Atmosphere is

A) Xe	B) He
C) Ne	D) Ar

Answer & Explanation Answer: D) Ar

Explanation:

Argon is most the most abundant Rare Gas in the atmosphere. Its elemental symbol is Ar.

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Q:

Complete the following sentence with the most suitable option.

A shirt always has ___.

A) a collar	B) a pocket
C) a button	D) fabric

Answer & Explanation Answer: D) fabric

Explanation:

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Filed Under: General Science
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Q:

What is the International Date Line ?

A) It is the equator	B) It is the 0 degrees longitude
C) It is the 90 degrees longitude	D) It is the 180 degrees longitude

Answer & Explanation Answer: D) It is the 180 degrees longitude

Explanation:

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Filed Under: World Geography

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Q:

Alexander, the Great invaded India during the rule of ?

A) Mahapadma Nanda	B) Dhana Nanda
C) Ajatshatru	D) Bimbisara

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