Questions

Q:

Which properties are characteristic of the group 1 metals?

A) Low melting points B) Produce hydrogen when react with water
C) Soft in nature D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Group 1 metals are also called as alkali metals with reactive in nature and low melting points. They are soft and produce hydrogen and alkaline metal hydroxide solution when they react with water.

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Q:

What is the full form of DNA?

A) Diribo nucleic acid B) Di nucleic acid
C) Dual nitrogen acid D) Deoxyribonucleic acid
 
Answer & Explanation Answer: D) Deoxyribonucleic acid

Explanation:
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Q:

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

A) Clumsy B) Lucid
C) Optimistic D) Sinister
 
Answer & Explanation Answer: C) Optimistic

Explanation:
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Q:

In which of the following MgCl2 is soluble?

A) Petrol B) Acetone
C) Kerosene D) Water
 
Answer & Explanation Answer: D) Water

Explanation:
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Q:

Synthetic detergents are prepared from

A) potassium salts of higher fatty­acids B) sodium salts of higher fatty­acids
C) hydrocarbons of petroleum D) glycerides
 
Answer & Explanation Answer: C) hydrocarbons of petroleum

Explanation:
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Q:

Select the word with the correct spelling.

A) rosetes B) reaffirm
C) estimat D) lunchon
 
Answer & Explanation Answer: B) reaffirm

Explanation:
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Q:

Who has appointed as Chairman of Ordnance Factory Board ?

A) Hemanth B) Bhargav
C) Saurabh kumar D) Rami Malek
 
Answer & Explanation Answer: C) Saurabh kumar

Explanation:
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Q:

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

It is not possible for me (A) / to give you the accurate date (B) / of my departure yet. (C) / No Error (D)

A) A B) B
C) C D) D
 
Answer & Explanation Answer: B) B

Explanation:
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