Advertisements
Advertisements
प्रश्न
What is the general name of the materials which contain at least two pure substances and show the properties
of their constituents ?
Advertisements
उत्तर
Materials that are made up of two or more pure substances and show the properties of their constituents are called mixtures.
APPEARS IN
संबंधित प्रश्न
Write true or false for each statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
A kind of matter which can sublime is
Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is this phenomenon known as?
Which of the following substances are elements ?
Water, Salt, Mercury, Iron, Marble, Diamond, Wood, Nitrogen, Air, Graphite, Hydrogen, Oxygen, Sugar, Chlorine
Explain why, hydrogen and oxygen are considered elements whereas water is not considered an element.
Give reason why graphite is used for making elecrode in a dry cell.
What is meant by (i) elements (ii) compounds, and (iii) mixtures ?Write down the names of two elements, two compounds and two mixtures.
On the basis of composition of matter, milk is considered to be :
How will you differentiate between a suspension and a colloid ?
Name the different types of solutions. Give one example of each.
Define Sol and give one example.
One of the following is a solid foam. This one is :
Tincture of iodine has antiseptic properties. This solution is made by dissolving :
Which of the following mixture cannot be separated by using water as the solvent ?
Explain the meaning of the term matter with special reference to the term ‘substance’.
All the matter made of ______.
______ is a smallest particle.
Which of the following statements are true for pure substances?
(i) Pure substances contain only one kind of particles
(ii) Pure substances may be compounds or mixtures
(iii) Pure substances have the same composition throughout
(iv) Pure substances can be exemplified by all elements other than nickel
Examples of foam are ______.
Write a scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
