* (5) While preparing dilute sulphuric acid
from concentrated sulphuric acid in the
laboratory, the concentrated sulphuric acid is
added slowly to water with constant stirring.
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While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring because sulphuric acid (H2SO4) reacts very vigorously with water, it is a highly exothermic reaction.
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