GK Question

technology medium mcq

Which technology enables carbon-negative concrete by sequestering CO2 during curing?

  1. Mineral Carbonation
  2. Bio-based Aggregates
  3. Both A and B
  4. Neither

Answer: Both A and B

Carbon-negative concrete: mineral carbonation captures CO2 in cement; bio-based aggregates (hemp, mycelium) store carbon. Critical for decarbonizing construction, major emission source.

Topic Climate Tech
Exam Relevance UPSC, SSC, Banking