E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Exercises
E Doris James Science Solutions for Exercise - E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Exercises
Attempt the practice questions on Chapter 6: Physical and Chemical Changes, Exercise 2: Exercises with hints and solutions to strengthen your understanding. New Science Ahead solutions are prepared by Experienced Embibe Experts.
Questions from E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Exercises with Hints & Solutions
The number of atoms in a molecule of an element is called its formula.
Rusting is a physical change.
Crystallisation is an irreversible change.
Compound A reacts with another compound B to form a compound C. What kind of change this represent?
What compounds do these formulae represent?
Write the chemical equation in words, and then using chemical formulae, for the chemical change that occurs when iron nails are dipped in copper sulphate solution.
Explain with the help of examples the difference between an atom and a molecule.
Define a physial change and list its characteristics. Give three examples of physical changes.
