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Q:

Chemical name of Gold?

A) Argentinum B) Ferrus
C) Aurum D) Selenium
 
Answer & Explanation Answer: C) Aurum

Explanation:

The Chemical name of Gold is Aurum with symbol Au with atomic number 79 and a group 11 element. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal.

Chemically, gold is a transition metal.

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Q:

What is the chemical name for vitamin A?

A) Retinol B) Riboflavin
C) Thiamine D) Niacin
 
Answer & Explanation Answer: A) Retinol

Explanation:

Vitamin A is a group of unsaturated nutritional organic compounds that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids.

IUPAC Name :: (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraen-1-ol

 

Vitamin Name - Chemical Name

Vitamin A   -     Retinol

Vitamin B1  -    Thiamine

Vitamin B2  -    Riboflavin

Vitamin B3  -    Niacin

Vitamin B5  -    Pantothenic acid

Vitamin B6  -    Pyridoxin

Vitamin B7  -    Biotin

Vitamin B9  -    Folic acid

Vitamin B12  -   Cyanocobalamin

Vitamin C     -   Ascorbic acid

Vitamin D     -   Calciferol

Vitamin E      -   Tocoferol

Vitamin K      -   Phylloquinone and Menaquinones

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Filed Under: General Science
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Q:

What is the new name of Abyssinia?

A) Namibia B) Zimbabwe
C) Thailand D) Ethiopia
 
Answer & Explanation Answer: D) Ethiopia

Explanation:

Ethiopia is the new name of a country which is historically called as Abyssinia.

 

New name     -      Old name

Namibia        -      South West Africa

Zimbabwe     -      Southern Rhodesia

Thailand        -      Siam.

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Q:

'Rhythm of eyes' city name in India?

A) Chennai B) Nainital
C) Srinagar D) Karnataka
 
Answer & Explanation Answer: B) Nainital

Explanation:

'Rhythm of eyes' logically means Nainital in India.

 

The other cities are:

No Zip - Chennai

Mr. City - Srinagar

Do Acting - Karnataka.

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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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Filed Under: Chemistry
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Q:

What is the Iupac name for the compound shown below.

                           clbr1527920257.png image

A) 1-Bromo-3-chlorocyclohexene B) 2-Bromo-6-chlorocyclohex-1-ene
C) 6-Bromo-2-chlorocyclohexene D) 3-Bromo-1-chlorocyclohex-1-ene
 
Answer & Explanation Answer: D) 3-Bromo-1-chlorocyclohex-1-ene

Explanation:

In chemical nomenclature, the IUPAC nomenclature of organic chemistry is a systematic method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC).

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Q:

Give the common name for the following compound

CH32CH CH2 - Br

A) Isobutyl bromide B) Methyl bromide
C) Propyl bromide D) Butyl bromide
 
Answer & Explanation Answer: A) Isobutyl bromide

Explanation:
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Q:

A doctor and a bus driver are both in love with the same woman, named Sana. The bus driver had to go on a long bus trip that would last a week. Before he left, he gave Sana seven apples.

 Why?

Answer

We know a proverb that An apple a day keeps the doctor away. To keep the doctor away from her, he gave seven apples, each apple a day.

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