Questions

Q:

In an acid base reaction which product is produced along with a salt?

A) Hydrogen gas B) Water
C) Oxygen gas D) Carbon dioxide
 
Answer & Explanation Answer: B) Water

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Q:

Which of the following elements has the lowest melting point?

A) Titanium B) Tungsten
C) Argon D) Nickel
 
Answer & Explanation Answer: C) Argon

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Q:

The atoms of the elements having same difference between mass number and atomic number are called ______.

A) Isobar B) Isotopes
C) Isotones D) No option is correct
 
Answer & Explanation Answer: C) Isotones

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Q:

Who formulated ‘the atomic theory’ of a matter?

A) Avogadro B) Dalton
C) Newton D) Pascal  
 
Answer & Explanation Answer: B) Dalton

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Q:

In the reaction H2O2 + Cl2 -----> 2HCl + O2, H2O2 acts as

A) an acid B) an oxidising agent
C) a reducing agent D) a base
 
Answer & Explanation Answer: C) a reducing agent

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Q:

A difference between 2 longitudes at equator is nearby equivalent to _____ km.

A) 101 B) 111
C) 121 D) 91
 
Answer & Explanation Answer: B) 111

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Q:

The maintenance functions of living organisms are performed by the _____.

A) chemical processes B) life processes
C) physical processes D) No option is correct
 
Answer & Explanation Answer: B) life processes

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Q:

Software that helps run the computer hardware

A) proprietary software B) beta software
C) system software D) none of the above
 
Answer & Explanation Answer: C) system software

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