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प्रश्न
Mention two uses of the following metals and non-metals
Gold
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उत्तर
It is used for making ornaments and coins.
It is used in the manufacture of electronic devices like computers, telephones, home appliances, etc.
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संबंधित प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
State one use of the following metal:
Aluminium
Name an alloy of lead and tin.
The alloy in which one of the metals is mercury is called an ______.
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
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Write ‘True’ or ‘False’ in front of following statement.
Magnesium is used in making light weight alloys of aluminium.
State two important uses of following metal:
Uses of silver
Write name.
The nonmetal having electrical conductivity.
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Name the following:
A halogen which is a solid at room temperature.
Write scientific reason.
Meena’s mother uses lemon or tamarind for cleaning copper vessels turned greenish.
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Which of the following is not a metal?
A doctor prescribed a tablet to a patient suffering from iron deficiency. The tablet does not look like iron. Explain.
The metal can be cut with a knife ______.
Sodium is a hard metal.
