General Knowledge Questions

Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
People drink champagne on New Year’s Eve.

A) Drinking of champagne is done on New Year's Eve. B) New Year's Eve was the day when People drank Champagne.
C) People on Eve of New Year drink champagne. D) Champagne is drunk on New Year’s Eve.
 
Answer & Explanation Answer: D) Champagne is drunk on New Year’s Eve.

Explanation:
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Q:

What is the purpose of balancing chemical equations?

A) law of conservation of energy B) law of conservation of mass
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) law of conservation of mass

Explanation:

The main purpose of balancing chemical equations is to make the mass of reactants is equal to mass of products obtained after the reaction. Hence, to make law of conservation of mass is purpose of balancing chemica equations.

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Filed Under: Chemistry
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Q:

The acid used in lead storage cells is

A) Sulphuric acid B) Nitric acid
C) Hydrochloric acid D) Phosphoric acid
 
Answer & Explanation Answer: A) Sulphuric acid

Explanation:

The acid used in lead storage cells is Sulphuric acid. They are used car batteries. Lead-acid batteries are capable of being recharged, which is important for their use in cars.

the_acid_used_in_lead_storage_cells_is1545132418.jpg image

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Filed Under: Chemistry
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Q:

_____ officially recognises Bitcoin as currency ?

A) South Korea B) China
C) Japan D) India
 
Answer & Explanation Answer: C) Japan

Explanation:
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Filed Under: General Awareness

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Q:

Thermoplastic materials are those materials which

A) Do not become hard with the application of heat and pressure and no chemical change occurs B) Are flexible and can withstand considerable wear under suitable conditions
C) Are formed into shape under heat and pressure and results in a permanently hard product D) Are used as a friction lining for clutches and brakes
 
Answer & Explanation Answer: A) Do not become hard with the application of heat and pressure and no chemical change occurs

Explanation:

Thermoplastic materials is a type of plastic material that can be cooled and heated several times without any change in their chemistry or mechanical properties.

 

Examples of Thermoplastic ::

 

  • polyethylene,
  • polypropylene,
  • polyvinyl chloride,
  • polystyrene,
  • polybenzimidazole,
  • acrylic,
  • nylon and
  • teflon
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Filed Under: Physics
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Q:

Refractive Index of glass with respect to water is

A) 4/3 B) 9/8
C) 2/3 D) 8/9
 
Answer & Explanation Answer: D) 8/9

Explanation:

Refractive Index of glass with respect to water can be calculated by 

(Refractive Index of glass with respect to air) × (1/Refractive Index of water with respect to air)

 

We know that,

Refractive Index of glass with respect to air = 4/3

Refractive index of water with respect to air = 3/2

 

Hence, Refractive Index of glass with respect to water = (4/3) x (2/3) = 8/9.

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Filed Under: Physics
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Q:

A weathering process in which layers of rocks peel off as expansion alternates with contraction , is known as ___

A) Shattering B) Block seperation
C) Granular disintegration D) Exfoliation
 
Answer & Explanation Answer: D) Exfoliation

Explanation:
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Q:

The first NBA Basketball School has been opened in which city ?

A) Delhi B) Bengaluru
C) Mumbai D) Hyderabad
 
Answer & Explanation Answer: C) Mumbai

Explanation:

The National Basketball Association (NBA) announced the launch of NBA Basketball School, a network of tuition-based basketball development programs around the world open to international male and female players ages 6-18 in Mumbai.

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