Advertisements
Advertisements
प्रश्न
Why are bells made of metals?
उत्तर
On being hit, metals produce a typical sound. They are said to be sonorous. This property is being made used in making bells.
APPEARS IN
संबंधित प्रश्न
State one use of Copper.
What is an alloy? How is an alloy made?
Give reasons
Aluminium is used in making aircrafts.
Name a metal which is best conductor of electricity :
Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Compare the properties of metals and nonmetals. Give three examples for each.
Which one of the following metals do not react with cold as well as hot water?
Name one metal and one non-metal that exist in liquid state at room temperature. Also name two metals having melting point less than 310 K (37°C)
The metal can be cut with a knife ______.
Compare the conductivity of metals and non–metals.