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प्रश्न
Fill in the blank.
A non-metal used to purify water is ______.
उत्तर
A non-metal used to purify water is Charcoal.
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संबंधित प्रश्न
Name the gas that is produced in the given case:
The reaction of ethanol and sodium.
Name two metals which are used for making domestic utensils and factory equipment.
Name the non-metal which is used to preserve food materials.
Name a non-metal having lustre (shining surface).
Name a metal that is brittle
Name a non-metal that is hardest naturally occurring substance
Give reasons
Tungsten is used in electric bulbs.
Write ‘True’ or ‘False’ in front of following statements.
Non-metals are poor conductors of electricity.
State two important uses of following non-metal
Uses of chlorine
State the composition of given alloy:
Bronze
Define metal and non-metal on the basis of electron loss or gain.
Give the balanced reactions for the following:
Red hot iron reacts with steam
Write scientific reason.
Copper and brass vessels are cleaned with lemon.
Name a non-metal which can form a positive ion.
How are metals like sodium, potassium, and calcium obtained? Give equations.
The metal other than aluminium, which has a strong affinity for oxygen is ______.
Diamond is a hard substance.
Identify who I am!
Amphoteric oxide forming metal- _______
Reason out
Sulphur is used in the vulcanization of rubber.
