At high temperature, carbon can act as a reducing agent because…
AIt turns every ore into carbonate
BIts free energy always rises
CIt stops reacting with oxygen
DIts oxidation becomes more favourable
Answer & Solution
Correct answer: D. Its oxidation becomes more favourable
Carbon oxidation becomes more favourable at higher temperatures, supporting reduction of metal oxides.
Keep practising Metallurgy
Browse all Metallurgy questions for ICSE Class 10, or explore more Chemistry topics.
Related questions
Which metal is used in aluminothermic reduction of some metal oxides?What is the role of electrorefining in copper production?After copper smelting, what product can undergo electrorefining?Which substance is identified as a collector for galena flotation?What do air bubbles do in a flotation cell?Why is ore ground before froth flotation?What is a complex ore?In a smelting furnace, which layer floats over the heavier matte?