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प्रश्न
Give composition and uses of the following alloys. Mention the reason for its use.
Magnalium
उत्तर
| Alloys | Composition | Uses |
| Magnalium | Al = 70 to 95% Mg = 5 to 30% |
|
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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.
Write the equation for the formation of aluminium at the cathode during the electrolysis of alumina.
From the metals: copper iron, magnesium, sodium and zinc, select a different metal in each case
which:
for not react with cold water but reacts with steam when heated.
Name the following:
The kind of welding in which aluminium powder is used.
Define the term : Ore
Name one metal occurring as a : Oxide ore
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
The metals zinc and tin are present in the alloy
choose the most appropriate term to match the given description.
Crushing of the ore into a fine powder
What is the role of flux in metallurgical processes?
