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 Mercury.
Fill in the following blank with suitable word:
The alloy in which one of the metals is mercury is called an ...............
Fill in the following blank with suitable word:
The electrical conductivity and melting point of an alloy is ........... than that of pure metals.
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
______ is a liquid metal.
Give the general characteristics of:
Alkaline earth metals with reference to
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Match the alloys given in column I to the uses given in column II :
| Column I | Column II |
| (i) Duralumin | A. Electrical fuse |
| (ii) Solder | B. Surgical instruments |
| (iii) Brass | C. Aircraft body |
| (iv) Stainless Steel | D. Decorative articles |
Name the following:
The most reactive halogen.
Complete the following flowchart.
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
- Na
- Ca
- Fe
- Cu
Which one of the following four metals would be displaced from the solution of its salts by other three metals?
