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ICSE Class 10 Chemistry Question 1 of 62

Study of Compounds — Sulphuric Acid — Question 6

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Question 6

State the basic steps with reasons, involved in diluting a beaker of conc. H2SO4.

Answer

For dilution of conc. H2SO4, the conc. acid is added to water and not the water to the acid even though heat is evolved in both cases.

  1. If water is added to the acid : There is a sudden increase in the temperature and the acid being in bulk tends to spurt out.
  2. If acid is added to water : The water is in bulk and the acid being heavier settles down. The heat evolved is dissipated in the water itself and hence the spurting of the acid is minimized.