Table of Contents

Class 9 science CH-2 is matter around us pure NCERT solutions

Is Matter around us Pure NCERT Solutions  The Class 9 Science Chapter 2 NCERT answers are all available here. This solution includes all of the material covered in Class 9’s Chapter 2: Is Matter around us Pure NCERT Solutions of Science, including questions, answers, illustrations, and step-by-step instructions. If you are a ninth-grade student studying science using the NCERT Textbook, you have probably encountered Chapter 1: Matter in Our Surroundings. You should be searching for the solutions to the questions after studying the lecture. All of the Class 9 Ch-2 Is Matter around us Pure NCERT Solutions are available right here. You should also refer to the Science class notes for Chapter 2 Is Matter around us Pure NCERT Solutions for a deeper understanding of this chapter.

 

NCERT Solutions for Class 9 Science Matter in our surroundings Chapter 1 Intext Questions

Class 9 Ch-2 Is Matter around us Pure NCERT Solutions
Page Number: 39
Question 1
What are canal rays?
Answer:

Question 2

If an atom contains one electron and one proton, will it carry any charge or not?
Answer:
Class 9 Ch-2 Is Matter around us Pure NCERT Solutions
 Page Number: 41
Question 1 
On the basis of Thomson’s model of an atom, explain how the atom is neutral as a whole.
Answer:
Question 2
On the basis of Rutherford’s model of an atom, which sub-atomic particle is present in the nucleus of an atom?
Answer:
Question 3

Draw a sketch of Bohr’s model of an atom with three shells.

Answer:
 Class 9 Ch-2 Is Matter around us Pure NCERT Solutions
Question 1

What do you think would be the observation if the a-particle scattering experiment is carried out using a foil of a metal other than gold?

Answer:

Question 2

Name the three sub-atomic particles of an atom.

Answer:

Question 2

Helium atom has an atomic mass of 4 u and two protons in its nucleus. How many neutrons does it have?

Answer:

Question 2

Write the distribution of electrons in carbon and sodium atoms.

Answer:

Question 2

lf K and L shells of an atom are full, then what would be the total number of electrons in the atom?

Answer:

Question 2

How will you find the valency of chlorine, sulphur and magnesium?

Answer:

Question 2

If number of electrons in an atom is 8 and number of protons is also 8, then

  1. what is the atomic number of the atom and
  2. what is the charge on the atom?
Answer:

Question 2

With the help of Table 4.1, find out the mass number of oxygen and sulphur atom.

Answer:

Question 2

For the symbol H, D and T tabulate three sub-atomic particles found in each of them.

Answer:

Question 2

Write the electronic configuration of any one pair of isotopes and isobars.

Answer:

Class9 Ch-2 Is Matter around us pure Exercise Questions (Textbook Chapter End Questions)

Class 9 Ch-2 Is Matter around us Pure NCERT Solutions
Question 1
Compare the properties of electrons, protons and neutrons.
Answer:
Question 2
What are the limitations of J.J. Thomson’s model of the atom?
Answer:
Question 3
 What are the limitations of Rutherford’s model of the atom?
Answer:
Question 4

Describe Bohr’s model of the atom.

Answer:
Question 5
Compare all the proposed models of an atom given in this chapter.
Answer:
Question 6
Summarise the rules for writing the distribution of electrons in various shells for the first eighteen elements.
Answer:
Question 7
Define valency by taking examples of silicon and oxygen.
Answer:
Question 8

Explain with examples

  1. Atomic number,
  2. Mass number,
  3. Isotopes and
  4. Isobars. Give any two uses of isotopes.
Answer:
Question 9
Which of the following will show Tyndall effect?
(a) Salt solution
(b) Milk
(c) Copper Sulphate solution
(d) Starch solution
Answer:
Question 10
Classify the following into elements, compounds and mixtures.
(a) Sodium,
(b) soil,
(c) sugar solution,
(d) silver,
(e) calcium carbonate,
(f) tin,
(g) silicon,
(h) coal,
(i) air,
(j) soap,
(k) methane,
(I) carbon dioxide,
(m) blood
Answer:
Question 11
Which of the following are chemical changes?
(a) Growth of a plant
(b) Rusting of iron
(c) Mixing of iron filings and sand
(d) Cooking of food
(e) Digestion of food
(f) Freezing of water
(g) Burning of a candle
Answer:
NCERT Solutions

Detailed Solutions for Class 9 Science Chapter 2

Looking for effective solutions for NCERT Class 9 Science Chapter 2? You’re in the right place! This section contains exercise questions from the chapter “Is Matter Around Us Pure?” along with thorough solutions that clarify concepts by Bhautik Study. From distinguishing mixtures to exploring states of matter, we’ve made understanding easy.

50%

Explore the key concepts of matter through engaging exercise questions tailored for thorough understanding and application of Chapter 2. Dive in now!

50%

Challenge yourself with chapter-end questions that enhance your comprehension from identifying mixtures to understanding the properties of different solutions.

Class 9 science matter in our surroundings