Vaishali Gupta, Supriya D. Seshadri and, Shalini Bajaj Solutions for Exercise 3: Exercises
Vaishali Gupta Science Solutions for Exercise - Vaishali Gupta, Supriya D. Seshadri and, Shalini Bajaj Solutions for Exercise 3: Exercises
Attempt the practice questions from Exercise 3: Exercises with hints and solutions to strengthen your understanding. OXFORD New Science In Everyday Life 8 solutions are prepared by Experienced Embibe Experts.
Questions from Vaishali Gupta, Supriya D. Seshadri and, Shalini Bajaj Solutions for Exercise 3: Exercises with Hints & Solutions
Write one word for the following:
The process of burning a substance in the presence of air or oxygen.
Write one word for a region where the combustion of fuel takes place. [flame / ocean]
Write one word for the substances that produce heat and light energy on burning. (Fuels / Ignition temperature)
Write one word for the following.
A fuel that is generally black or brownish-black in colour.
Write one word for the following.
A type of coal with carbon content of higher than .
What are fossil fuels? How were coal and petroleum formed?
What are the products obtained on refining petroleum? Write their main uses.
Name any four air pollutants and describe their harmful effects.
