Q:

The weight of an object will be minimum when it is placed at ?

A) The North Pole	B) The South Pole
C) The Equator	D) The center of the Earth

Answer & Explanation Answer: D) The center of the Earth

Explanation:

The weight of an object is minimum when it is placed at the center of the earth because when an object is in the center, it experiences gravitational pull from all directions.

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Q:

Which shows the order in which vertebrates evolved?

A) fish, reptiles, amphibians, birds, mammals	B) amphibians, fish, reptiles, birds, mammals
C) amphibians, fish, birds, reptiles, mammals	D) fish, amphibians, reptiles, birds, mammals

Answer & Explanation Answer: D) fish, amphibians, reptiles, birds, mammals

Explanation:

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Q:

Milk of Magnesia is used as a

A) Laxative	B) Pain killer
C) Sedative	D) Antibiotic

Answer & Explanation Answer: A) Laxative

Explanation:

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Q:

Out of all known elements, the minimum number is of ______.

A) Metals	B) Non-metals
C) Metalloids	D) No option is correct

Answer & Explanation Answer: C) Metalloids

Explanation:

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Q:

5F on H means

Answer

The given letter equation 5F on H means that 5 Fingers on a Hand.

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Q:

Group 8A of the periodic table contains the

A) least reactive metals	B) most reactive nonmetals
C) most reactive metals	D) least reactive nonmetals

Answer & Explanation Answer: D) least reactive nonmetals

Explanation:

Helium (He), Neon(Ne), Argon(Ar), Krypton (Kr), Xenon (Xe), Radon (Rn) and Ununoctium (Uuo) are present group 8A.

They have fully filled orbitals and hence are most stable amongst all the elements in the periodic table and are considered as least reactive least reactive non-metals.

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Q:

What is the capital of Ghana?

A) Banjul	B) Bishkek
C) Accra	D) Ankara

Answer & Explanation Answer: C) Accra

Explanation:

The capital of Ghana is Accra and its currency is Ghanaian Cedi.

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Q:

Consider the following constituent gases of the atmosphere :

1. Argon

2. Neon

3. Helium

4.Ceirbon dioxide

Which one of the following is the correct ascending sequence of the above gases in terms of the volume percentage?

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

Answer & Explanation Answer: B) 1-4-2-3

Explanation:

Composition of Dry Air (Substance, % by volume)

Nitrogen, N2 78.08

Oxygen, O2

20.95

Argon, Ar 0.93

Carbon dioxide, CO2 0.033

Neon, Ne 0.0018

Helium, He 0.00052

Methane, CH4 0.0002

Krypton, Kr 0.00011

Dinitrogen oxide, N2O 0.00005

Hydrogen, H2 0.00005

Ozone, O3 0.000001

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