Advertisements
Advertisements
प्रश्न
What do you understand by the statement " the solubility of copper sulphate in water at 20°C is 20.7 g" ?
Advertisements
उत्तर
This statement means that 20.7 gm of copper sulphate can be dissolved in 100 gm of water at 20°C.
APPEARS IN
संबंधित प्रश्न
What are molecules ?
Define the following term of Atom .
Explain why air is used to inflate tyres.
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 are the three general classes of matter ? Give one example of each type.
Which of the following is not an element ?
What is the name of the clear liquid formed when a solid dissolves in a liquid ?
State whether colloidal solutions are homogeneous or heterogeneous.
Define solute.
Which of the following represents the solubility of sugar in water at 20°C ?
Describe a method to separate a mixture of common salt and sand.
Explain how, nitrogen , oxygen and argon gases are separated from air.
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.
The movement of particles in liquids is ______.
Atoms are tiny particles that repel each other when they are squeezed very close.
Solids do not flow.
Write a scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
Define the term matter.
