Question

Which of the following is true i)2 NaCl + H2SO4 → 2HCl + Na2SO4
ii) During dilution H20 should be added to acid.
iii) During dilution acid should be added to H2O
iv) Tooth paste generally neutralise the excess of
acid in the mouth

Answer 1

Answer:

2 NaCl (aq) + H2SO4 (aq) → 2 HCl (aq) + Na2SO4 (aq) is true

Explanation: