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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. ( )
State five uses of metals.
Brass is an alloy of copper and ______.
What elements are present in steel?
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A metal which is neither ductile nor malleable is
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
A solution of a metal in mercury is called ________
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
State two important uses of following metal:
Uses of silver
State two important uses of following metal
Uses of magnesium
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State why telegraph poles are painted with aluminium paint.
Name the following:
The most reactive halogen.
Name the following:
A metal used in flexible pipes.
Electronic configuration of metal A is 2,8,1. Electronic configuration of metal B is 2,8,8,2. Which of the above metals is more reactive? Explain with reason.
Which one of the following is an example for a metal?
A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
- Na
- Ca
- Fe
- Cu
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
