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प्रश्न
A metal with melting point less than 50°C is
विकल्प
Gallium
Iron
Gold
Aluminium
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उत्तर
Gallium
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संबंधित प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Generally, non-metals react with acids. ( )
Give reasons for the following.
Sodium and potassium are stored in kerosene.
State one use of the following metal:
Silver
What is an alloy?
Mention two uses of the following metals and non-metals
Aluminium
Give reasons
Aluminium is used in making aircrafts.
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.
Write ‘True’ or ‘False’ in front of following statement.
Magnesium is used in making light weight alloys of aluminium.
Name a metal which is not malleable :
State two important uses of following metal:
Uses of silver
State the position of the following in the periodic table:
Alkali metals
Write name.
Alloy of sodium with mercury.
What is it made from? Why?
Pots and pans
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
Assertion: Mercury is solid in room temperature.
Reason: Mercury is a non-metal.
Which of the following property is generally not shown by metals?
______ is the first scientist who used the term element.
Name two major non-metals which are present in fertilisers and enhance the growth of plants.
Metals are ______ conductors of heat and electricity.
