Advertisements
Advertisements
प्रश्न
Name the terms for the change of a solid into liquid.
Advertisements
उत्तर
Melting.
APPEARS IN
संबंधित प्रश्न
Intermolecular space is maximum in .......... less in ............ and the least in .........
Give one difference between atoms and molecules.
Explain why steel is used to make railway lines.
Which of the following is a mixture ?
Salt, Air, Water, Alum, Sugar
What are the three groups into which all the elements can be divided ? Name two elements belonging to each group.
Out of a colloid, solution and a suspension :
which one has the smallest particles ?
How much water should be added to 15 grams of salt to obtain 15 per cent salt solution ?
Calculate the concentration of a solution which contains 2.5 g of salt dissolved in 50 g of water.
Differentiate between a saturated and an unsaturated solution. How will you test whether a given solution is saturated or not ?
One of the following does not show Tyndall effect. This one is :
What is the difference between colloids and suspensions ?
Which technique can be used to detect and identify traces of poison present in the stomach wash of a person ?
Pure copper sulphate can be obtained from an impure sample by the process of :
Explain the meaning of the term ‘matter’.
The particles in the matter are extremely small and can be seen even with a powerful microscope.
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.
Atoms or groups of atoms having a charge are called ______.
Liquids cannot be compressed and they have fixed volume.
Define the term matter.
Define the term matter.
