Which of the following is not an ore?
Pig iron is the most impure form of iron and contains highest proportion of carbon (2.5 – 4%)
Malachite âŸ¶ Cu(OH)2.CuCO3 (Cu ore)
Zinc blende âŸ¶ Zns (Zn ore)
Bauxite âŸ¶ Al2O3.2H2O (Al ore)
Of the following, which cannot be obtained by electrolysis of the aqueous solution of their salts?
Mond’s process is used for the purification of
Which of the following ore is not concentrated by froth floatation process?
Thermite is a mixture of
Which statement is incorrect?
Correct statement is
Which of the following metals cannot be extracted by carbon reduction process?
Which metal is extracted by electrolytic reduction method?
The luster of a metal is due to
Which of the following mineral does not contain Al?