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प्रश्न
State two important uses of following metal:
Uses of gold
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उत्तर
Uses of gold :
- It is used for making jewellery and coins.
- It is used in dentistry for filling cavities in teeth
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संबंधित प्रश्न
State five uses of metals.
State one use of the following metal:
Iron
State one use of the following metal:
Silver
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- Which inert gas is nearest to X?
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What is an alloy?
Mention two uses of the following metals and non-metals
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State two important uses of following metal.
Uses of copper
State two important uses of following metal
Uses of tin
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Alkaline earth metals with reference to
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Write scientific reason.
Generally the ionic compounds have high melting points.
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copper
The ability of metals to be drawn into thin wire is known as
Which one of the following four metals would be displaced from the solution of its salts by other three metals?
Which of the following metals can displace the other two metals from their salt solutions?
The liquid metal at room temperature ______.
Match the following
| i. | Silica | a. | Caustic potash |
| ii. | Potassium hydroxide | b. | Sand |
| iii. | Sodium hydroxide | c. | Calamine |
| iv. | Zinc carbonate | d. | Caustic soda |
Which metals are liquid at room temperature?
