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Q:

What is the name of event caused by the 3200 Phaethon asteroid around 15 December of every year?

 

 

A) Geminid Meteor display B) Perseid Meteor display
C) Draconid Meteor display D) Lyrid Meteor display

Answer:   A) Geminid Meteor display



Explanation:
Subject: General Science
Exam Prep: Bank Exams
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Q:

Seawater (i.e. saltwater) freezes at: 

A) at a slightly higher temperature than fresh water B) at a slightly lower temperature than fresh water.
C) the same temperature as fresh water. D) seawater does not freeze.
 
Answer & Explanation Answer: B) at a slightly lower temperature than fresh water.

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37 7533
Q:

The radioactive element most commonly detected in humans is

A) potassium-40 B) cobalt-60
C) iodine-131 D) plutonium-238
 
Answer & Explanation Answer: A) potassium-40

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Q:

The filament of an electric bulb is made of

A) tungsten B) nichrome
C) graphite D) iron
 
Answer & Explanation Answer: A) tungsten

Explanation:

A filament is a metal wire that glows when electricity is channeled into it. The filament of an electric bulb is made of Tunsten. 

 

The_filament_of_an_electric_bulb_is_made_of1554113110.jpg image

 

Because of its high melting point and its greatest tensile strength, it makes for a good filament in light bulbs.

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61 15449
Q:

What is laughing gas?

A) Nitrous Oxide B) Carbon monoxide
C) Sulphur dioxide D) Hydrogen peroxide
 
Answer & Explanation Answer: A) Nitrous Oxide

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22 4439
Q:

Of the following, which element is common to all acids

A) hydrogen B) carbon
C) sulphur D) oxygen
 
Answer & Explanation Answer: A) hydrogen

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28 5740
Q:

What does airbag, used for safety of car driver, contain?

A) Sodium bicarbonate B) Sodium azide
C) Sodium nitrite D) Sodium peroxide
 
Answer & Explanation Answer: B) Sodium azide

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Q:

Which of the following plants is not capable of manufacturing own food?

A) Algae B) Mushroom
C) Carrot D) Cabbage
 
Answer & Explanation Answer: B) Mushroom

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67 14138
Q:

Which one of the following types of waves are used in a night vision apparatus?

A) Radio waves B) Microwaves
C) Infra-red waves D) None of the above
 
Answer & Explanation Answer: C) Infra-red waves

Explanation:
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