Millionaire Mode

Precipitation Reactions in Seawater

Question 1 of 15

Which of the following reactions is a precipitation reaction?

  1. CaCO3(s) + 2HCl(aq) → CaCl2(aq) + H2O(l) + CO2(g)
  2. NaCl(aq) + H2O(l) → Na+(aq) + Cl-(aq)
  3. H2SO4(aq) + 2NaOH(aq) → Na2SO4(aq) + 2H2O(l)
  4. CH3COOH(aq) + NaOH(aq) → CH3COONa(aq) + H2O(l)

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000