Advertisements
Advertisements
प्रश्न
With reference to the physical properties of metals and non-metals, state the following exception.
A metal which floats on water.
उत्तर
Lithium (Li), Sodium (Na), Potassium (k).
APPEARS IN
संबंधित प्रश्न
Fill in the blanks:
Iron is ________ reactive than copper.
Name two metals which are both malleable and ductile.
You are given a dry cell, a torch bulb with holder, wires and crocodile clips. How would you use them to distinguish between samples of metals and non-metals?
State any five physical properties of metals.
State any five physical properties of non-metals.
Name a metal that is most malleable
Name a metal that can be cut with knife
Name a non-metal that is hardest naturally occurring substance
Give reasons
Copper is used in making electric cables.
Name the metals present in the following alloys
Brass
Write ‘true’ or ‘false’ for the following statement
Sodium can be cut with a knife.
Name one metal which is a liquid at room temperature
Name a non-metal whose compounds help in the growth of plants.
Name:
a metal with dull appearance
Name:
a non metal which can form a positive ion
Fill in the Blank and Rewrite the Statements:
Elements showing properties of both metals and nonmetals are known as _________.
Select the appropriate option for the following statement:
The element placed in the extreme left of the Modern Periodic Table.
Select the appropriate option for the following statement:
The element which is a noble metal.
A non-metal A is an important constituent of our food and forms two oxides B and C. Oxide B is toxic whereas C causes global warming
- Identify A, B and C
- To which Group of Periodic Table does A belong?
Which non-metal is essential for our life and all living beings inhale it during breathing?
