Advertisements
Advertisements
प्रश्न
Which of the following are homogeneous in nature?
(i) ice
(ii) wood
(iii) soil
(iv) air
पर्याय
(i) and (iii)
(ii) and (iv)
(i) and (iv)
(iii) and (iv)
Advertisements
उत्तर
(i) and (iv)
Explanation:
Ice and air are homogeneous in nature since they have same composition throughout and there are no visible boundaries between the components.
APPEARS IN
संबंधित प्रश्न
Define matter.
Fill in the blank :
The state of matter with definite volume and definite shape is called______
What are the two conditions for the interconversion of states of matter ?
Bromine and air take about 15 minutes to diffuse completely but bromine diffuses into a vacuum very rapidly. Why is this so?
Fill in the following blanks with suitable words :
Brass is an alloy which is considered a ..............
Which of the following statements are true for pure substances ?
- pure substances contain only one kind of particles
- pure substances may be compounds or mixtures
- pure substances have the same composition throughout
- pure substances can be exemplified by all elements other than nickel
Which of the two will scatter light : soap solution or sugar solution ? Why ?
Choose the correct answer.
A 5 per cent sugar solution means that :
Choose the correct answer.
A 15% alcohol solution means :
Define solute.
You have been given a suspension and a solution. How could you tell the difference between them by their appearance ?
What is meant by a solution?
What difference in the property of two miscible liquids enables their separation by fractional distillation ?
How will you separate water from mustard oil ?
You are given a mixture of iodine in alcohol called tincture iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture ?
Differentiate between the-two characteristics of matter – ‘mass’ & ‘weight’.
The property which allows the metals to be hammered into their sheets is ______.
You want to wear your favourite shirt to a party, but the problem is that it is still wet after a wash. What steps would you take to dry it faster?
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which exists as a liquid at room temperature.
Boiling refers to the process by which a substance changes from the liquid to the gaseous state at its ______ point.
