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Q:

The Information Security Policy should be available to which groups of people?

A) Senior business managers and all IT staff B) Information Security Management staff only
C) All customers, users and IT staff D) Senior business managers, IT executives and the Security Manager
 
Answer & Explanation Answer: C) All customers, users and IT staff

Explanation:
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Q:

Permanent hardness of water is due to the presence of  ? 

A) Calcium sulphate B) Calcium bicarbonate
C) Sodium bicarbonate D) Magnesium bicarbonate
 
Answer & Explanation Answer: A) Calcium sulphate

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Q:

Which of the following crop is known as Green Gold?

A) Coffee B) Neem
C) Tea D) Rice
 
Answer & Explanation Answer: C) Tea

Explanation:

Tea crop is known as Green Gold.

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Q:

The fundamental rights of Indian citizens can be suspended by the

A) Supreme Court of India B) Union Parliament
C) President of India D) None of these
 
Answer & Explanation Answer: C) President of India

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Q:

Seawater (i.e. saltwater) freezes at: 

A) at a slightly higher temperature than fresh water B) at a slightly lower temperature than fresh water.
C) the same temperature as fresh water. D) seawater does not freeze.
 
Answer & Explanation Answer: B) at a slightly lower temperature than fresh water.

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Q:

Which media have the ability to have data/information stored (written) on them by users more than once?

A) CD-R disks B) CD-RW disks
C) Zip disks D) Optical disks
 
Answer & Explanation Answer: B) CD-RW disks

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Q:

The fastest moving insect in the world is the

Answer

Tropical cockroach

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Subject: Animals and Birds

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Q:

Which of the following is the strongest base?

A) LiCH3 B) LiF
C) LiOH D) LiNH2
 
Answer & Explanation Answer: A) LiCH3

Explanation:

The stability of the ions is determined by the energy of the lone pairs. Carbon has the least effective nuclear charge (Zeff) and so the lone pair on the CH3− ion has the highest energy, making it the least stable ion and so the strongest base. The Zeff increases as we move across the period until we get to fluorine which has the greatest Zeff and so its lone pairs have the lowest energy, making F− the least basic ion.

 

In order of decreasing basicity they are ranked LiCH3 > LiNH2 > LiOH > LiF. We are dealing with the ions F−, OH−, NH2− and CH3− and so the factor which influences their basicity is the stability of the ion compared to its conjugate acid.

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