Questions

Q:

According to Newlands' law of Octaves, how many elements exist in nature?

A) 56 B) 66
C) 55 D) 65
 
Answer & Explanation Answer: A) 56

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Q:

Which of the following statements is incorrect, if resources were unlimited?

A) there would still be scarcity and opportunity costs B) there would still be scarcity but no opportunity costs
C) there would be no scarcity, but there would be opportunity costs. D) there would neither be scarcity nor opportunity costs
 
Answer & Explanation Answer: C) there would be no scarcity, but there would be opportunity costs.

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Q:

A man lifts a luggage of 25 kg from the ground and puts it on the head, 2.5 m above the ground. If the value of g = 10 m/s2, then the value of work done by him on the luggage is

A) 22.5 J B) 225 J
C) 625 J D) 220 J
 
Answer & Explanation Answer: C) 625 J

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Q:

Which of the following is a correct pair according to increasing atomic number from left to right?

A) He, H B) Na, Ne
C) Be, B D) Ca, Cl
 
Answer & Explanation Answer: C) Be, B

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Q:

Human Rights Day is observed on

A) December 10 B) December 11
C) December 12 D) December 14
 
Answer & Explanation Answer: A) December 10

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Q:

Who among the following claimed the top spot on Forbes 2017 list of the world's highest paid actresses, released on August 16, 2017?

 

A) Frances McDormand B) Saoirse Ronan
C) Emma Stone D) Elisabeth Moss
 
Answer & Explanation Answer: C) Emma Stone

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Q:

Which of the following gases makes bread or cake rise making them soft and spongy?

A) CO B) CO2
C) H2 D) O2
 
Answer & Explanation Answer: B) CO2

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Q:

Which of the following type of medicine is used to treat indigestion?

A) Sulpha drug B) Antihistamine
C) Antibiotic D) Antacid
 
Answer & Explanation Answer: D) Antacid

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