Advertisements
Advertisements
Question
Identify the term/substance in the following:
The method used to separate ore from gangue by preferential wetting
Solution
The method used to separate ore from gangue by preferential wetting: Froth flotation process
APPEARS IN
RELATED QUESTIONS
Name the most common ore of the metal aluminium from which the metal is extracted. Write the chemical formula of the ore.
State the use of:
cast iron
Name the following:
The chief metal present in magnalium and duralumin
Give composition and uses of the following alloys. Mention the reason for its use.
Solder
Complete and balance the following equation:
Al + O2 →
From the metals copper, iron, magnesium, sodium and zinc, select a different metal in each case which:
(a) Does not react with dilute hydrochloric acid
(b) Can form 2+ and 3+ ions
(c) Has a hydroxide that reacts with both acid and alkalis.
(d) Does not react with cold water, but reacts with steam when heated.
Find the odd one out of the following and explain your choice.
Sulphur, Phosphorous, Carbon, Iodine
Name the processes involved in dressing of the ores.
Nickel is purified by thermal decomposition of its:-
The common method of the extraction of metal from the oxide ore is:-
