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प्रश्न
Name a metal which is best conductor of electricity :
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उत्तर
Silver
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संबंधित प्रश्न
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
What is an amalgam?
What elements are present in steel?
What is meant by 22 carat gold?
How are the properties of an alloy different from those of the constituent elements?
Which of the following alloys contains mercury as one of the constituents?
Mention two uses of the following metals and non-metals
Oxygen
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.
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
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.
Generally the ionic compounds have high melting points.
What is it made from? Why?
A pair of tongs.
With reference to the following metals state their use in daily life metal:
copper
With reference to the following metals state their use in daily life metal:
Aluminium
State why telegraph poles are painted with aluminium paint.
______ is the first scientist who used the term element.
Metals and non–metals are used for making ______, ______ and ______.
The typical shine of metals is called ______.
