InstructorPriyanka Pandey
TypeOnline Course
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Indian Institute of Technology Bombay


Included in the course-

1- Introduction to physical and chemical changes.

2- What is a chemical equation ?

3- Writing and balancing of chemical equations.

4- Different types of chemical reactions.

a) – Combination Reactions

b)-  Decomposition Reactions

c)-  Displacement or substitution reactions.

d)-  Double displacement or double decomposition reactions.


Section 1Introduction
Lecture 1Chemical Change Free Preview

Chemical change is any change that results in the formation of new chemical substances. At the molecular level, chemical change involves making or breaking of bonds between atoms. These changes are chemical:

  • iron rusting (iron oxide forms)
  • gasoline burning (water vapor and carbon dioxide form)
  • eggs cooking (fluid protein molecules uncoil and crosslink to form a network)
  • bread rising (yeast converts carbohydrates into carbon dioxide gas)
  • milk souring (sour-tasting lactic acid is produced)
  • suntanning (vitamin D and melanin is produced)
Lecture 2Physical Change
Section 2Chemical Equation
Lecture 3What is chemical equation ?
Lecture 4Balancing of chemical equation