Home › CBSE Class 12 (Science) › Chemistry › Surface Chemistry › Making activated carbon involves which two phases?
Making activated carbon involves which two phases?
ADilution and filtration
BHydrolysis and fusion
COxidation and reduction
DCarbonization and activation
Answer & Solution
Correct answer: D. Carbonization and activation
The raw material is first carbonised by heating, then activated to develop its pores.
Related questions
Why does adsorption occur at a solid surface?In a colloid, the suspended particles form which part of the system?Why does adding salt coagulate a colloid?Which pair are the two main ways of stabilising a colloid against aggregation?The Tyndall effect seen in many colloids is due to what process?The channel diameter of zeolite cages usually lies in which range?Silica gel, a common drying adsorbent, is an amorphous form of which compound?How does adsorption differ from absorption?