Advertisements
Advertisements
प्रश्न
Name two soft metals which can be cut with a knife.
उत्तर
Metals which can easily cut with a knife
- Sodium
- Potassium
These are soft metals.
APPEARS IN
संबंधित प्रश्न
Give a reason for Alkali metals are good reducing agents.
Fill in the following blanks with suitable words:
A metal having low melting point is ..................... but a non-metal having very high melting point is ..............
State one use of Mercury.
What is meant by 22 carat gold? Name the metals which are usually alloyed with gold to make it harder.
Write name.
Alloy of sodium with mercury.
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
Give a reason why iron objects rust easily but the iron pillar at Qutab Minar has not rusted over the years.
Compare the properties of metals and nonmetals. Give three examples for each.
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
Metals are ______ conductors of heat and electricity.