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
ABCD
1660 °C1800 °C1650 °C1560 °C
  1. Metallic oxides are
ABCD
acidic in naturealkaline in natureneutralbasic in nature
  1. All are ionic compounds except
ABCD
NO2AgClHNO3(NH4)2CO3
  1. Boron is a
ABCD
metalnon-metalgasmetalloid
  1. Potassium Oxide is formed through
ABCD
one potassium ion with one oxygen iontwo potassium ions with two oxygen iontwo potassium ions with one oxygen ionone potassium ion with two oxygen ion
  1. As we move across the period basic character of oxides
ABCD
decreasesincreasesremains samebecomes zero
  1. The molecular weight of C3H8 is
ABCD
50.01g/mol44.095g/mol41.01g/mol48.07g/mol
  1. Evaporation occurs only
ABCD
At the surface of a liquidafter boilingafter extreme coolingif boiling occurs at atmospheric pressure

 

  1. Which of followings are obtained from cereals, fruits, and vegetables?
ABCD
SucroseCelluloseMonosaccharidesSugar

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