Science
(www.olympiadsuccess.com)
Chapter 2: Is Matter Around Us Pure?
Class: IX
Exercise 1
Question 1:
What is meant by a pure substance?
Answer 1:
Pure substances are defined as substances that are made of a single type of particles and it can be classified as elements or compounds.
Question 2:
List the points of differences between homogeneous and heterogeneous mixtures.
Answer 2:
A mixture that has uniform composition throughout is called as homogeneous mixture.
For example: sugar solution, salt in water, copper
A mixture that has non-uniform composition throughout is called as heterogeneous mixture.
For example: sodium chloride and iron fillings, oil and water, salt and sulphur
Yearlong program for Olympiads preparation & to build necessary skills for future.
Explore More
Time to mark your calendar with the upcoming Olympiads exam schedule.
Explore More
Take your Olympiad preparation to next-level by taking LIVE Classes.
Explore More
Assess your performance by taking topic-wise and full length mock tests.
Explore More
Know your true potential by participating in Unicus Olympiads for classes 1-11.
Explore More
Give wings to your innovation by appearing in CREST Olympiads for Prep/KG to classes 1-10.
Explore More
