Q:

Match List -I with List -II and select the correct answer using the code given below the Lists :

List -I List-II

(Compound/Molecule) (Shape of Molecule)

A. CH3F 1. Trigonal planar

B. HCHO 2. Tetrahedral

C. HCN 3. Trigonal pyramidal

D. NH3 4. Linear

A) 2 4 1 3	B) 2 1 4 3
C) 3 4 1 2	D) 3 1 4 2

Answer & Explanation Answer: B) 2 1 4 3

Explanation:

HCHO: The carbon and and the oxygen are bonded through a double bond which counts as "one electron pair". Hence the molecule has three electron pairs and is trigonal planar.

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0 13262

Q:

Ashtadhyayi was written by

A) Ved vysa	B) Panini
C) Shukadeva	D) Balmiki

Answer & Explanation Answer: B) Panini

Explanation:

Ashtadhyayi was written by Panini. He was a Sanskrit grammarian who gave a comprehensive and scientific theory of phonetics, phonology, and morphology. Panini was born in Shalatula, a town near to Attock on the Indus river in present day Pakistan.

Ashtadhyayi_was_written_by1565176023.jpg image

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13 13256

Q:

Select the synonym of

preacher

A) atheist	B) agnostic
C) evangelist	D) pagan

Answer & Explanation Answer: D) pagan

Explanation:

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0 13251

Q:

Select the synonym of

to concoct

A) to obliterate	B) to contrive
C) to decimate	D) to pulverize

Answer & Explanation Answer: B) to contrive

Explanation:

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0 13245

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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38 13244

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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16 13241

Q:

Improve the bracketed part of the sentence.

If you come across new words, you should look (them up) in the dictionary.

A) for them	B) at them
C) them down	D) no improvement

Answer & Explanation Answer: D) no improvement

Explanation:

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0 13239

Q:

Improve the bracketed part of the sentence.

The purpose of speaking is to communicate, (I chose words that are the best) for the idea I want to convey.

A) I am choosing words that were the best	B) I did choose words that are the best
C) I choose words that are the best	D) No improvement

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