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प्रश्न
Name one metal occurring as a : Sulphide ore
उत्तर
Mercury
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संबंधित प्रश्न
Write the equation for the formation of aluminium at the cathode during the electrolysis of alumina.
How does the painting of an iron object prevent rusting?
Which impurities are present in bauxite?
Define the term : Charge
Give composition and uses of the following alloys. Mention the reason for its use.
Solder
Arrange the metals:
calcium, iron, magnesium and sodium in order of their reactivity with water placing the most reactive first.
A to F below relate to the source and extraction of either zinc or aluminium.
- Bauxite
- Coke
- Cryolite
- Froth floatation
- Sodium hydroxide solution
- Zinc blende
Write the formula of cryolite.
Name the main constituent metal in the following alloy:
Brass
The metals zinc and tin are present in the alloy
Name the following :
An alloy of lead and tin that is use in electrical circuits.
