Advertisements
Advertisements
प्रश्न
Why are bells made of metals?
Advertisements
उत्तर
Metals have sonorous property. Ringing sound produce by metals is known as sonorous. So, the bells are made of metals.
APPEARS IN
संबंधित प्रश्न
State one use of Silver.
The atomic number of an element Y is 16.
(a) What must an atom of Y do to achieve the nearest inert gas electron arrangement?
(b) Which inert gas is nearest to Y?
State two important uses of following metal
Uses of magnesium
State two important uses of following metal
Uses of mercury
Why is hydrogen placed with alkali metals?
Write scientific reason.
Sodium is always kept in kerosene.
What is it made from? Why?
Pots and pans
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.
Metals are usually solids or gases at room temperature.
A doctor prescribed a tablet to a patient suffering from iron deficiency. The tablet does not look like iron. Explain.
