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प्रश्न
Name an alloy of copper in electrical appliances or household vessels.
उत्तर
Brass
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संबंधित प्रश्न
Select the process from the following which matches the given description.
(calcination, roasting, pulverisation, smelting)
Crushing of the ore into a fine powder.
State the main components of the following alloys:
Duralumin
Why does iron or zinc not occur free in nature?
Which process is applied to concentrate ore of zinc?
Name an alloy of zinc used in naval ships.
Name one metal occurring as a : Sulphide ore
From the metals copper, iron, magnesium, sodium and zinc, select a different metal in each case which:
(a) Does not react with dilute hydrochloric acid
(b) Can form 2+ and 3+ ions
(c) Has a hydroxide that reacts with both acid and alkalis.
(d) Does not react with cold water, but reacts with steam when heated.
State the main components of the following alloy:
Duralumin
In the Wilfley table method, the particles of gangue are separated by __________ separation method.
Explain concept with example/explain with the help of a balanced equation.
Ores
