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प्रश्न
Name the following:
The chief metal present in magnalium and duralumin
उत्तर
Aluminium, Iron.
Notes
Aluminium, Iron.
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संबंधित प्रश्न
Name the most common ore of the metal aluminium from which the metal is extracted. Write the chemical formula of the ore.
Also give the names of their repective ores ?
Name an alloy of copper in electrical appliances or household vessels.
Complete the statement using every given option.
During the extraction of aluminium..............
Chemical reaction of transformation of bauxite into alumina by Hall’s process.
Name the process of concentration
(a) Based on densities
(b) Based on magnetic nature.
Complete and balance the following equation:
Al + KOH + H2O →
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.
Arrange the metals:
calcium, iron, magnesium and sodium in order of their reactivity with water placing the most reactive first.
What is added to steel to make it stainless steel?
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.
