Chemistry MCQs for 4th-year class

Chemistry MCQs for 4th-year class

In this tutorial, we will cover the Chemistry MCQs for 4th-year class.

  1. The melting point of silica is
A B C D
1660 °C 1800 °C 1650 °C 1560 °C
  1. Metallic oxides are
A B C D
acidic in nature alkaline in nature neutral basic in nature
  1. All are ionic compounds except
A B C D
NO2 AgCl HNO3 (NH4)2CO3
  1. Boron is a
A B C D
metal non-metal gas metalloid
  1. Potassium Oxide is formed through
A B C D
one potassium ion with one oxygen ion two potassium ions with two oxygen ion two potassium ions with one oxygen ion one potassium ion with two oxygen ion
  1. As we move across the period basic character of oxides
A B C D
decreases increases remains same becomes zero
  1. The molecular weight of C3H8 is
A B C D
50.01g/mol 44.095g/mol 41.01g/mol 48.07g/mol
  1. Evaporation occurs only
A B C D
At the surface of a liquid after boiling after extreme cooling if boiling occurs at atmospheric pressure

 

  1. Which of followings are obtained from cereals, fruits, and vegetables?
A B C D
Sucrose Cellulose Monosaccharides Sugar

 
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