Question

what are the key ingredients that lead to the discovery cement
options are
lime and silica
lime and oxygen
gypsum​

Answer 1

Explanation:

lime and silica

Compressive strength of concrete replaced with hydrated lime and silica fume, however is increasing with time. The increase in the compressive strength is mainly due to the presence of calcium hydroxide in the cement matrix that accelerated the rate of the pozzolanic reaction.