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Q:

Galileo was an Italian Astronomer who

A) Discovered 4 satellites of Mars	B) Developed the Telescope
C) Discovered that the movement of pendulum produces a regular time measurement	D) Both B & C

Answer & Explanation Answer: D) Both B & C

Explanation:

Galileo Galilei (1564-1642) was an Italian Astronomer who

1) Discovered 4 satellites of Jupiter

2) Developed Telescope

3) Discovered that the movement of pendulum produces a regular time measurement

Galileo_was_an_Italian_Astronomer_who1559023780.png image

He is Physicist, Mathematician, inventor, and philosopher Too.

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Q:

7 is to 34 as 5 is to

A) 33	B) 24
C) 54	D) 41

Answer & Explanation Answer: D) 41

Explanation:

We can get this by any of two explanations.

Answer 1: 41

7 = 3 + 4 = 34

Similarly, 5 = 4 + 1 = 41

Answer 2 : 41

7 - 3 = 4 => 34

Similarly, 5 - 4 = 1 => 41

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Filed Under: Arithmetical Reasoning
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Q:

How many Covalent Bonds can Nitrogen form

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

Answer & Explanation Answer: B) 3

Explanation:

Nitrogen ( $N_{2}$ ) forms Three Covalent Bonds to become stable.

Here the Atmomic Number of Nitrogen is 7. Because there are 2 electrons in the first orbital and 5 in the second and you still have space for 3 more. So it shares, 3 to get the stable octet. Therefore, there are 3 covalent bonds in $N_{2}$ .

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Filed Under: Chemistry
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Q:

Thunder is to Lightning as Grape is to

A) Wine	B) Soil
C) Seed	D) Water

Answer & Explanation Answer: C) Seed

Explanation:

Lightning produces thunder just as a seed will eventually produce a grape.

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Filed Under: Analogy
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Q:

Fog is an example of a

A) liquid dispersed in gas	B) solid dispersed in liquid
C) liquid dispersed in solid	D) gas dispersed in liquid

Answer & Explanation Answer: A) liquid dispersed in gas

Explanation:

Fog is tiny water droplets or ice crystals suspended in the air at or near the Earth's surface. Hence, fog is an example of a colloidal system liquid dispersed in gas.

Fog_is_an_example_of_a1558588509.jpg image

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Filed Under: Physics
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Q:

Entomology is the science that studies

A) Insects	B) Behaviour of Human beigns
C) Scientific Names	D) Formation of Rocks

Answer & Explanation Answer: A) Insects

Explanation:

Entomology is the science branch of Zoology that studies Insects.

entomology_is_the_study_of1549696118.jpg image

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Q:

The Most Abundant Rare Gas in the Atmosphere is

A) Xe	B) He
C) Ne	D) Ar

Answer & Explanation Answer: D) Ar

Explanation:

Argon is most the most abundant Rare Gas in the atmosphere. Its elemental symbol is Ar.

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Q:

What is the Formula for Volume?

Answer

The formula to find the volume is given by just multiplying Length, Breadth and Height of that object.

Thus, V = L x B X H

Volume Formulae :

1. Volume of Cube of side 's' = s x s x s = $s^{3}$ cubic units.

2. Volume of Cylinder = ${πR}^{2} h$ cubic units.

[Where R is Radius and h is height]

Workspace

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