Advertisements
Advertisements
प्रश्न
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
Advertisements
उत्तर
Any matter which has a definite volume but no definite shape is called a liquid.
APPEARS IN
संबंधित प्रश्न
Name the processes involved in two cases.
Define matter. Give four examples of matter.
What is Brownian motion? Draw a diagram to show the movement of a particle (like a pollen grain during Brownian motion.
Name a non-metal which is a good conductor of electricity.
What is meant by saying that metals are lustrous ?
Give reason why copper metal is used for making electric wires.
Define a compound. Give two points of evidence to show that sodium chloride is a compound.
Classify the following into elements, compounds and mixtures :
arble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, Sea-water, Chalk
What is the name of the clear liquid formed when a solid dissolves in a liquid ?
Choose the correct answer.
A 5 per cent sugar solution means that :
Fill in the following blank :
Milk is a .................... solution but vinegar is a .................... solution.
Fill in the following blank :
A colloid is a ..............mixture and its components can be separated by the technique known as ...............
Define solvent.
Define the emulsion. Give one example.
What difference in the property of two miscible liquids enables their separation by fractional distillation ?
Explain how, impure copper sulphate can be purified by crystallisation.
What is fractional distillation ? What is the use of fractionating column in fractional distillation ?
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
Gases change to liquid by the process of ______.
Write a scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
