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प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Magnesium is used in making light weight alloys of aluminium.
पर्याय
True
False
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उत्तर
True.
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संबंधित प्रश्न
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
Give a reason for Alkali metals are good reducing agents.
A metal having low melting point is ______ but a non-metal having very high melting point is ______.
State one use of the following metal:
Gold
What elements are present in steel?
Mention two uses of the following metals and non-metals
Gold
Give reasons
Aluminium is used in making aircrafts.
Give two uses of Germanium
Fill in the blank
A metal that gives dazzling effect to crackers when they explode is ______
A metal which is neither ductile nor malleable is
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 ________
Statements given below are incorrect. Write the correct statements :
Bronze is a mixture of 10% copper, 80% zinc and 10% tin.
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
What is it made from? Why?
Electric cables
When a copper coin is dipped in the solution of silver nitrate, it shows a lustre on its surface. Explain this process with the help of a chemical equation.
Which one of the following is an example for a metal?
Which of the following is not a metal?
Which metal has the highest ductility?
Which metals are not solid at room temperature?
