Advertisements
Advertisements
Question
What is meant by saying that metals are lustrous ?
Solution
Metals are said to be lustrous because of their property to shine.
APPEARS IN
RELATED QUESTIONS
Define the term matter. What is it composed of?
Differentiate between an atom and a molecule.
What are molecules ?
Bromine and air take about 15 minutes to diffuse completely but bromine diffuses into a vacuum very rapidly. Why is this so?
Name a liquid which can be classified as a pure substance and conducts electricity.
What is the general name of the materials which contain at least two pure substances and show the properties
of their constituents ?
What are the three groups into which all the elements can be divided ? Name two elements belonging to each group.
Which one of the following is not a metalloid ?
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.
State whether the following statement is true or false :
Bread is an example of solid foam.
A carpenter wants to separate iron nails from saw-dust. Which method of separation should he choose ?
What is the general name of the process by which tea-leaves are separated from prepared tea ?
Describe the various steps involved in the separation of iodine, iron filings and salt from a mixture.
One of the following does not undergo sublimation. This one is :
Asmita went to buy an earthen pot. There she saw many things kept for sale.
From what substance has the potter made all the things?
Atoms or groups of atoms having a charge are called ______.
Which statement is not correct for a mixture
Examples of foam are ______.
Define the term matter.