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प्रश्न
Name an alloy of zinc used in naval ships.
उत्तर
Brass
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संबंधित प्रश्न
State on what special properties the use of each of these metals depends:
aluminium
State the use of:
cast iron
Define the term : Ore
Give the name and formula of an ore of zinc.
What in addition to a zinc compound, is put into the furnace? State one large scale use of zinc.
The following question refer to the extraction of aluminium and iron from their ores:
Iron and aluminum ores both, contain impurities. Explain briefly how these impurities are removed in each case.
Name an alloy of zinc which is used in simple voltaic cells.
Write the equation for the reaction of zinc with following: Sodium hydroxide solution
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 down the three letters each from the above list which are relevant to:
- Zinc
- Aluminium
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.
Metal sheets : Malleable : : Electric wires : _______
