Exercise
NCERT Science Solutions for Exercise
Simple step-by-step solutions to Exercise questions of Air Around us from Science Textbook of Competency Based Questions for Class VI. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercise with Hints & Solutions
A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture?
Can we separate mud from muddy water using a sieve? How small should the pores of the sieve be to do this? Use a cloth as a sieve and try to do this.
What is obtained in the beaker?
A mixture of oil and water can be separated by filtration.
You have dissolved a half teaspoonful of salt in half a glass of water. Will you be able to get the salt crystals from the solution? Write yes or no. Give reasons for your answer.
How does the solubility of a substance change with rise in temperature?
A mixture of oil and water can be separated by filtration.
Complete the given analogy
Murukku from hot oil: :_____ coffee powder residue from decoction
The description of the different layers of the atmosphere is given below. Arrange them in the increasing order of their altitude.
- the layer of atmosphere in which the number of molecules is less, but they are sufficient to burn the meteorites
- the layer in which the temperature increases with attitude
- the layer with the least number of particles
- the convection current of air plays a significant role in this layer
