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प्रश्न
State two important uses of following metal:
Uses of silver
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उत्तर
Uses of silver :
- It is used for making coins and ornaments.
- It is used for making high quality glass mirrors.
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संबंधित प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
Which property of graphite is utilised in making electrodes?
State one use of Silver.
How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?
Give reasons
Magnesium is used in fire works.
Give reasons
Graphite is used in the leads of pencils
Write ‘true’ or ‘false’ for the following statement.
Iodine acts as an antiseptic in the form of a tincture of iodine.
A metal with melting point less than 50°C is
Statements given below are incorrect. Write the correct statements :
Bronze is a mixture of 10% copper, 80% zinc and 10% tin.
State the position of the following in the periodic table:
Iron and zinc
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
With reference to the following metals state their use in daily life metal:
Zinc
With reference to the following metals state their use in daily life metal:
Silver
State a specific reason for using copper in electrical cables
Halogen reacts with acid.
Complete the following flow chart.
An element which is always lustrous, malleable and ductile is ______.
Which of the following metals can displace the other two metals from their salt solutions?
Match the following
| i. | Softest metal | a. | Copper |
| ii. | Hardest metal | b. | Sodium |
| iii. | Hardest non–metal | c. | Osmium |
| iv. | Ductility | d. | Diamond |
Why are metalloids called semimetals?
