Q:

What is the IUPAC name of [Co(NH3)4Cl2]?

A) Tetra-ammine dichloro cobalt (III) chloride	B) Tetra-ammine trichloro cobalt (III)
C) Tri-ammine dichloro cobalt (III) chloride	D) Tetra-ammine dichloro cobalt

Answer & Explanation Answer: A) Tetra-ammine dichloro cobalt (III) chloride

Explanation:

The IUPAC nomenclature in organic chemistry is a systematic method that is used to name organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC).

The IUPAC name of the given complex [Co (NH₃)₄Cl₂ ]Cl is - Tetra-ammine dichloro cobalt (III) chloride.

The complex [Co (NH₃)₄ Cl₂ ] Cl ionizes an aqueous solution to furnish the chloride ion Cl⁻ and [Co (NH₃)₄ Cl₂ ] ⁺.

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Q:

Improve the given sentence if necessary.

We are doing this in the interest of the poors.

A) in the interests of the poors	B) in the interests of the poor
C) for the interests of the poor	D) No improvement

Answer & Explanation Answer: B) in the interests of the poor

Explanation:

The plural form of ‘Poor’ is ‘Poor’. ‘Poors’ is incorrect. Also, according to the subject verb agreement, ‘interests’ is the correct form of verb.

Thus, the correct formation would be, ‘We are doing this in the interests of the poor’.

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Q:

Which of the following birds is the state bird of three Indian states ?

A) Great Hornbill	B) Greater Flamingo
C) Hill Mynah	D) Blue Jay (Indian Roller)

Answer & Explanation Answer: D) Blue Jay (Indian Roller)

Explanation:

The 3 states are Andhra Pradesh, Karnataka and Odisha.

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Q:

Which substance is produced when alcohol is added with petrol and used as a fuel?

A) Only oxygen	B) Only carbon-dioxide
C) Only water	D) Carbon-dioxide and water both

Answer & Explanation Answer: B) Only carbon-dioxide

Explanation:

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Q:

Rearrange the parts of the sentence in correct order:

Thus,

P-a developing economy also needs
Q-to have some notion of external balance
R-at the very least,

A) RPQ	B) RQP
C) PQR	D) QPR

Answer & Explanation Answer: A) RPQ

Explanation:

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Q:

What goes in the water black and comes out red

Answer

A Lobster is one which goes black in water and comes out red.

lobster1585556605.jpg image

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Q:

Rabindranath Tagore's 'Jana Gana Mana' has been adopted as India's National Anthem. How many stanzas of the said song were adopted?

A) Third and Fourth stanza	B) The whole song
C) First and Second stanzav	D) Only the first stanza

Answer & Explanation Answer: D) Only the first stanza

Explanation:

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Q:

_______ uses laser technology to store large amount of information

A) Floppy disk	B) CD-ROM
C) Hard disk	D) ED-ROM

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