Questions

Q:

Which layer of earth is liquid?

A) inner core B) outer mantle
C) outer core D) crust
 
Answer & Explanation Answer: C) outer core

Explanation:

 The crust and the inner core are solid, whereas the outer core and inner mantle are liquid. The outer mantle is semi solid.

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Filed Under: General Science
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Q:

The Indian National Army reclaimed the Andaman and Nicobar Island from British rule and named them?

A) Swaraj Islands B) Shaheed and Swaraj Island
C) Free Islands D) Swatantra and Swaraj Island
 
Answer & Explanation Answer: B) Shaheed and Swaraj Island

Explanation:
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Q:

International Chess Day is celebrated annually on

A) 21st July B) 20th July
C) 18th July D) 23rd July
 
Answer & Explanation Answer: B) 20th July

Explanation:

International Chess Day is celebrated annually on 20th July, since 1966. The idea to celebrate this day proposed was by UNESCO.

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Q:

In a triangle ABC, AB = 8 cm, AC = 10 cm and ∠B = 90°, then the area of ΔABC is

A) 49 sq.cm B) 36 sq.cm
C) 25 sq.cm D) 24 sq.cm
 
Answer & Explanation Answer: D) 24 sq.cm

Explanation:
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Q:

The successive discount of 15%, 20% and 25% on an article is equivalent to the single discount of

A) 60% B) 47%
C) 49% D) 40%
 
Answer & Explanation Answer: C) 49%

Explanation:
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Q:

NaCl is a salt which is made up of

A) Strong acid and weak base B) Weak acid and weak base
C) Strong acid and strong base D) Weak acid and strong base
 
Answer & Explanation Answer: C) Strong acid and strong base

Explanation:
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Q:

How many chromosomes does a human cell contain?

A) 6 B) 26
C) 46 D) 66
 
Answer & Explanation Answer: C) 46

Explanation:
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Filed Under: Biology
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Q:

Which one of the following is lyophilic colloid?

A) Gold sol B) Smoke
C) Cloud D) Starch aqueous solution
 
Answer & Explanation Answer: D) Starch aqueous solution

Explanation:

Starch aqueous solution is a lyophilic colloidal solution.

 

Lyophilic colloids are liquid loving colloids.  When these colloids are mixed with suitable liquid high force of attraction exists between colloidal particles and liquid.

 

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Filed Under: Chemistry
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