Advertisements
Advertisements
प्रश्न
State whether the following statement is true or false :
Bread is an example of solid foam.
पर्याय
True
False
उत्तर
True. Solid foam allows the gas to get dispersed in solid medium.
APPEARS IN
संबंधित प्रश्न
What are molecules ?
Fill in the blank
All matter is made up of tiny particles called ______
Name a non-metal which is a good conductor of electricity.
Name one solid, one liquid and one gaseous non-metal.
What is the general name of the materials which contain at least two pure substances and show the properties
of their constituents ?
What elements do the following compounds contain ?
Sugar, Common salt
How would you confirm that a colourless liquid given to your is pure water ?
State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.
Draw a flow-chart for the schematic representation of different types of matter.
The element which is not common between the compounds called baking soda and soda ash is
Define solvent.
How will you test whether a given solution is a colloidal solution ?
One of the following represents the solution of solid in a solid. This one is :
What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?
Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
How will you separate a mixture of iron filings and powdered carbon ?
Differentiate between the-two characteristics of matter – ‘mass’ & ‘weight’.
All the matter made of ______.
Which of the following are homogeneous in nature?
(i) ice
(ii) wood
(iii) soil
(iv) air
The pressure of gases does not depend on the temperature of the gas and the volume it occupies.