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प्रश्न
State the main components of the following alloy:
Duralumin
उत्तर
The main components of duralumin are aluminium, magnesium, copper and manganese.
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संबंधित प्रश्न
Identify the term/substance in the following:
The method used to separate ore from gangue by preferential wetting
Name an ore of zinc.
State a reason why zinc is used in:
galvanization,
State the use of:
cast iron
State the use of:
Mild steel,
Complete the statement using every given option.
During the extraction of aluminium.........
Heating the aluminium ore with concentrated caustic soda.
Name the following:
The kind of welding in which aluminium powder is used.
Give reason for the following:
Galvanized metal ions should not be used for storing food.
Complete and balance the following equation:
Al + KOH + H2O →
Which of the following statements are correct?
(i) A depressant prevents certain type of particle to come to the froth.
(ii) Copper matte contains \[\ce{Cu2S}\] and \[\ce{ZnS}\].
(iii) The solidified copper obtained from reverberatory furnace has blistered appearance due to evolution of \[\ce{SO2}\] during the extraction.
(iv) Zinc can be extracted by self-reduction.
