Questions

Q:

Oxide of which of the following will turn red litmus blue?

A) Magnesium B) Phosphorus
C) Sulphur D) Carbon
 
Answer & Explanation Answer: A) Magnesium

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Filed Under: Chemistry
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Q:

The pH of a solutiion is 3. When its pH changes to 6, then H+ ion concentration

A) increases 2 times B) increases 3 times
C) decreases 1000 times D) decreases 100 times
 
Answer & Explanation Answer: C) decreases 1000 times

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Filed Under: Chemistry
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Q:

According to an early Indian philosopher everything is made up of ___ basic elements.

A) 2 B) 4
C) 3 D) 5
 
Answer & Explanation Answer: D) 5

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Filed Under: Chemistry
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Q:

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Hoodwink

A) Defraud B) Illicit
C) Secret D) Stare
 
Answer & Explanation Answer: A) Defraud

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Filed Under: English
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Q:

Which blood group is universal donor?

A) O+ B) O–
C) AB– D) AB+
 
Answer & Explanation Answer: B) O–

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Filed Under: Biology
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Q:

Heavy water is mostly used in which of the following?

A) In fire extinguisher B) In nuclear reactors
C) In washing cloth D) In both Nuclear reactors and Fire extinguisher
 
Answer & Explanation Answer: B) In nuclear reactors

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Filed Under: Physics
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Q:

Equus Caballus is the scientific name of _________.

A) Horse B) Zebra
C) Donkey D) Buffalo
 
Answer & Explanation Answer: A) Horse

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Filed Under: General Science
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Q:

Rio Summit is associated with

A) Convention on Biological Diversity B) Green house gases
C) Ozone depletion D) Wet lands
 
Answer & Explanation Answer: A) Convention on Biological Diversity

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Filed Under: General Awareness

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