Advertisements
Advertisements
Question
State two physical properties on the basis of which metals can be distinguished from non-metals.
Advertisements
Solution
| Properties | Metals | Non-metals |
| Lustre | Lustrous | Non-lustrous |
| Heat and electrical conductivity | Good conductor | Poor conductor |
APPEARS IN
RELATED QUESTIONS
Gases have definite volume but no definite shape.
Liquids have definite shape and definite volume.
Name the processes involved in two cases.
In a beam of sunlight entering a room, we can sometimes see dust particles moving in a haphazard way in the air. Why do these dust particles move?
The best evidence for the existence and movement of particles in liquids was provided by :
What are pure substances ? Give two examples of pure substances.
What are the three general classes of matter ? Give one example of each type.
Out of a colloid, solution and a suspension :
which one has the smallest particles ?
Which of the two will scatter light : soap solution or sugar solution ? Why ?
State whether colloidal solutions are homogeneous or heterogeneous.
How much water should be added to 15 grams of salt to obtain 15 per cent salt solution ?
What is a colloid ? Give two examples of colloids (or colloidal solutions)
One of the following does not show Tyndall effect. This one is :
Which one of the following is not a chemical change ?
Fill in the following blanks with suitable words :
If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................
With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separation possible.
Boiling refers to the process by which a substance changes from the liquid to the gaseous state at its ______ point.
The fluidity of solids: ______.
Give an example of liquid in gas.
Define the term matter.
