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प्रश्न
Name the following:
A metal used in flexible pipes.
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उत्तर
Lead
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संबंधित प्रश्न
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 Aluminium.
State one use of Silver.
State one use of Gold.
The atomic number of an element X is 12.
(a) What must an atom of X do to attain the nearest inert gas electron configuration?
(b) Which inert gas is nearest to X?
What is an amalgam?
Explain how, a reduction reaction of aluminium can be used for welding cracked machine parts of iron. Write a chemical equation for the reaction involved.
How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?
For the reduction of metal oxide, suggest a reducing agent other than carbon.
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
A solution of a metal in mercury is called ________
State two important uses of following metal:
Uses of silver
State two important uses of following metal:
Uses of zinc
State two important uses of following metal
Uses of mercury
Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Which is the non-ionic compound in the compounds given below.
AgNO3 + Nacl → AgCl + NaNO3
With reference to the following metals state their use in daily life metal:
Lead
Electronic configuration of metal A is 2,8,1. Electronic configuration of metal B is 2,8,8,2. Which of the above metals is more reactive? Explain with reason.
What is ductility?
Which one of the following four metals would be displaced from the solution of its salts by other three metals?
Name two major non-metals which are present in fertilisers and enhance the growth of plants.
