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प्रश्न
With reference to the following metals state their use in daily life metal:
Lead
उत्तर
Lead:
- Flexible pipes as it is malleable and reactant to corrosion.
- Bullets as it has high specific gravity and also is moulded into castings.
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संबंधित प्रश्न
State one use of Copper.
Name an alloy of lead and tin.
Name two alloys of iron. What elements are present in these alloys?
How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?
How are the properties of an alloy different from those of the constitutent elements?
Fill in the blank
A metal that gives dazzling effect to crackers when they explode is ______
Statements given below are incorrect. Write the correct statements :
Aluminium is best conductor of electricity.
Name a metal which is best conductor of electricity :
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Hydrochloric acid,
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Oxygen
Which is the non-ionic compound in the compounds given below.
AgNO3 + Nacl → AgCl + NaNO3
What was Mendeleev's basis for the classification of elements?
Give reasons for the following:
Most metals conduct electricity well.
Complete the following flowchart.
The ability of metals to be drawn into thin wire is known as
Metals are ______ conductors of heat and electricity.
All gases are ______.
Why are metalloids called semimetals?
