Advertisements
Advertisements
Question
What is meant by saying that metals are malleable and ductile ?
Solution
Malleability refers to the property of a metal that allows it to be hammered into thin sheets. Ductility refers to the property of metals that allows them to be stretched into thin wires.
APPEARS IN
RELATED QUESTIONS
Gases have definite volume but no definite shape.
Liquids have definite shape and definite volume.
Name the terms for the change of vapour into a liquid.
An inflated balloon full of air goes down slowly (becomes smaller and smaller slowly) even though the knot at the mouth of the balloon is airtight. And after a week all the air has escaped from the balloon. Explain how the air particles got out of the balloon.
Name one solid, one liquid and one gaseous non-metal.
Name a metal which is yellow in colour.
What is a suspension ? Give two examples of suspensions.
What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?
Name the process by which common salt is purified.
Fill in the following blanks with suitable words :
The separation of liquids by fractional distillation is based on the difference in their .....................
How can you obtain pure water from a salt-water mixture (or salt-solution) ? Draw a neat and labelled diagram of the apparatus you would use to obtain pure water from a salt-water mixture (or salt-solution).
Explain how, nitrogen , oxygen and argon gases are separated from air.
Naphthalene can be separated from sand :
Explain the meaning of the term matter with special reference to the term ‘substance’.
Select the correct answer from A, B, C, D & E for the statement given below:
An atom or group of atoms _________ having a resultant charge.
Asmita went to buy an earthen pot. There she saw many things kept for sale.
What is the difference between a substance and an object?
Complete the given analogy.
Murukku from hot oil: ______:: Coffee powder residue from decoction: ______
Name the metals that are used in jewellery.
State whether true or false. If false, correct the statement.
Oil and water are immiscible with each other.
Define the term matter.