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प्रश्न
Statements given below are incorrect. Write the correct statements :
Aluminium is best conductor of electricity.
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उत्तर
Silver is best conductor of electricity.
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संबंधित प्रश्न
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.
Name an alloy of lead and tin.
What is an alloy?
Which of the following alloys contains mercury as one of the constituents?
State two important uses of following metal
Uses of lead
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Oxygen
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Sulphuric acid
Why are alkali metals kept in kerosene oil?
Write name.
The device used for grinding an ore.
Write scientific reason.
Sodium is always kept in kerosene.
State why telegraph poles are painted with aluminium paint.
Name the following:
A metal used in packaging.
Halogen reacts with acid.
Why are bells made of metals?
Which of the following property is generally not shown by metals?
The ability of metals to be drawn into thin wire is known as
A doctor prescribed a tablet to a patient suffering from iron deficiency. The tablet does not look like iron. Explain.
Why are metalloids called semimetals?
