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CBSE Class 10 Science Question 1 of 20

Solved 2022 Term 2 Question Paper CBSE Class 10 Science — Question 1

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Question

Question 1

(a) Write the molecular formula of the following carbon compounds :

  1. Methane
  2. Propane

(b) Carbon compounds have low melting and boiling points. Why ?

Answer

(a) Molecular formula of the carbon compounds are:

  1. Methane — CH4
  2. Propane — C3H8

(b) As carbon compounds are covalent compounds and forces of attraction between these molecules is not very strong hence they have low melting and boiling points.