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प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Brass is an alloy of copper and zinc and has lustrous yellow colour.
विकल्प
True
False
उत्तर
True.
APPEARS IN
संबंधित प्रश्न
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
Write the name and formulae of a metal hydride.
State one use of Mercury.
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?
Aluminium is not used to make :
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
Salt of silver, such as ________ is used for making photographic films.
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 the position of the following in the periodic table:
Alkaline earth metals
Write name.
The nonmetal having electrical conductivity.
What is it made from? Why?
Electric cables
With reference to the following metals state their use in daily life metal:
Aluminium
With reference to the following metals state their use in daily life metal:
Zinc
Give a reason why iron objects rust easily but the iron pillar at Qutab Minar has not rusted over the years.
Name the following:
A metal used in flexible pipes.
Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?
Which of the following metals can displace the other two metals from their salt solutions?
| Zinc | iron | copper |
Which metal has the highest ductility?
The metals which are found in both free state as well as combined state are ______.
