The two metals which are extracted by means of electrolytic reduction of their molten salts are:
A. magnesium and manganese
B. iron and aluminium
C. zinc and magnesium
D. magnesium and aluminium.
The spindle fibres are necessary for segregating the sister chromatids to opposite poles of the cell during anaphase. In the presence of colchicine, no spindle fibres will form to attach...
i. Uses of alkali metals:
Lithium metal is used in long-life batteries used in digital watches, calculators and computers.
Liquid sodium is used for heat transfer in nuclear power stations.
Potassium chloride is...
