Dhiren M Doshi Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Exercise
Dhiren M Doshi Science Solutions for Exercise - Dhiren M Doshi Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Exercise
Attempt the free practice questions on Chapter 6: Physical and Chemical Changes, Exercise 2: Exercise with hints and solutions to strengthen your understanding. Exploring Science BASED ON THE LATEST NCF GUIDELINES 7 solutions are prepared by Experienced Embibe Experts.
Questions from Dhiren M Doshi Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Exercise with Hints & Solutions
Why is the burning of candles considered as an example of a simultaneous physical and chemical change?.
Rusting of iron objects is faster in coastal areas than in deserts. Why?
Change A - Animal waste is acted upon by anaerobic bacteria to produce biogas.
Change B - Biogas is burnt as fuel.
Which of these changes is a chemical change?
Which ice cube will melt faster? Why?
Identify the picture given alongside and answer the following question.
Why does the colour of the solution change to blue?
Identify the picture given alongside and answer the following question:
Write the chemical equation for the reaction taking place.
Identify the picture given alongside and answer the following question
Name the type of reaction.
Jai was very fond of collecting coins of different metals. One day, he observed that the colour of silver and copper coins had changed. Explain the reason for his observations.
