Natasha Mehta Solutions for Exercise 5: EXERCISE
Natasha Mehta Science Solutions for Exercise - Natasha Mehta Solutions for Exercise 5: EXERCISE
Attempt the free practice questions from Exercise 5: EXERCISE with hints and solutions to strengthen your understanding. Sciwise - A coursebook of Science solutions are prepared by Experienced Embibe Experts.
Questions from Natasha Mehta Solutions for Exercise 5: EXERCISE with Hints & Solutions
How is a physical change different from a chemical change?
How do heat and cold affect the overhead electric wires in summer and winter times?
Why do we use mercury in a thermometer?
Why burning of candle considered to be both a chemical and a physical change?
What is the difference in these two situations?
a. A balloon is inflated by blowing air into it.
b. A balloon bursts when inflating it.
Why does the composition of the product changes after a chemical change?
What is a chemical change? Support your answer giving two examples.
Give two examples each of situations where contraction and expansion of materials around you play an important role.
