Q:

What is the IUPAC name for the following compound?

$H_{3} C - C \equiv C - H$

A) Acetylene	B) Methyl acetylene
C) Butanol	D) Decanoic Acid

Answer & Explanation Answer: B) Methyl acetylene

Explanation:

The IUPAC name of the compound is Methyl Acetylene or Propyne.

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Q:

What is the most direct cause of customer loyalty?

A) Friendly staff	B) High food safety standards
C) Good records	D) Delicious food

Answer & Explanation Answer: B) High food safety standards

Explanation:

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Q:

Which one of the following four vedas contains an account of magical charms and spells

A) Rigaveda	B) Samaveda
C) Yajurveda	D) Atharvaveda

Answer & Explanation Answer: D) Atharvaveda

Explanation:

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Q:

Which of the following is a non metal that remains liquid at room temperature ?

A) Chlorine	B) Phosphorous
C) Bromine	D) Helium

Answer & Explanation Answer: C) Bromine

Explanation:

The chemical element with the atomic number 35, Bromine is a non metal that remains liquid at room temperature. Mercury also remains liquid at room temperature but it is a metal. Bromine is the third lightest halogen.

Which_of_the_following_is_a_non_metal_that_remains_liquid_at_room_temperature1542256555.jpg image

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Q:

With which game does Davis Cup is associated

A) Hockey	B) Table Tennis
C) Lawn Tennis	D) Polo

Answer & Explanation Answer: C) Lawn Tennis

Explanation:

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Q:

Exposure to sunlight helps a person improve his health because

A) the infrared light kills bacteria in the body	B) resistance power increases
C) the pigment cells in the skin get stimulated and produce a healthy tan	D) the ultraviolet rays convert skin oil into Vitamin D

Answer & Explanation Answer: D) the ultraviolet rays convert skin oil into Vitamin D

Explanation:

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Q:

What has teeth but cannot bite?

A) Comb	B) Saw
C) Zipper	D) Gear

Answer & Explanation Answer: A) Comb

Explanation:

Saw, Zipper and Gear have teeth but can bite us. Comb have teeth but cannot bite.

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Q:

Electron configuration of cobalt 2+?

Answer

The s,p,d,f configuration for cobalt (Co) is 1s22s22p63s23p64s23d7, determined by the position of the element on the periodic table. The electron configuration for Cobalt at ground state would simply be Co: [Ar] 4s²3d⁷.

The electron configuration of Cobalt will end in d block as Cobalt is an inner transition metal. Cobalt is in the 7th column of the d block and therefore has 7 d electrons d7.

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