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प्रश्न
Give composition and uses of the following alloys. Mention the reason for its use.
Brass
उत्तर
| Alloys | Composition | Uses |
| Brass | Cu = 55 to 95% Zn = 5 to 45% |
|
APPEARS IN
संबंधित प्रश्न
Name an ore which is concentrated by:
magnetic separation
State the use of:
wrought Iron
Name an alloy of lead used in electrical wiring or electrical work in joining metals.
Give reason for the following:
Galvanized metal ions should not be used for storing food.
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.
Brass is an alloy of ______.
Answer the following question :
Write the constituents of electrolyte for the extraction of aluminum.
Name the following :
An ore of zinc containing its sulphide.
Explain the following term:
Ore
Name the processes involved in dressing of the ores.
