Advertisements
Advertisements
प्रश्न
Why are bells made of metals?
Advertisements
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
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
Name one ore of manganese. Which compound of manganese is present in this ore? Also write its chemical formula.
Mention two uses of the following metals and non-metals
Aluminium
Give reasons
Graphite is used in the leads of pencils
State the position of the following in the periodic table:
Aluminium
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
An amorphous substance which turns from pale green to black on strong heating evolving a colourless, acidic gas as the only gaseous product.
In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.
- ______ is a metal.
- Metals are good ______ of electricity.
The metal can be cut with a knife ______.
Metals and non–metals are used for making ______, ______ and ______.
The typical shine of metals is called ______.
