1. A scale for measuring hydrogen ion concentration in a solution is called [ ] a) Pauling scale b) pH scale c) Mulliken scale d) All2. Identify the pH of a solution that turns blue litmus to red [ ]a) 8 b) 4 c) 9 d) 103. The strength of acid or base depends on the concentration of [ ]a) H3O+ b) OH–c) Both a and b d) None4. Which calcium compound does not increase the pH of acidic solids ? [ ]a) Calcium carbonate b) Calcium hydroxide c) Calcium oxide d) Calcium sulphate5. Who devised pH scale ? [ ]a) Sorensen b) Bohr c) Sommerfeld d) Arrhenius4

1. A scale for measuring hydrogen ion concentration in a solution is c

1.	1. A scale for measuring hydrogen ion concentration in a solution is called [ ] a) Pauling scale b) pH scale c) Mulliken scale d) All2. Identify the pH of a solution that turns blue litmus to red [ ]a) 8 b) 4 c) 9 d) 103. The strength of acid or base depends on the concentration of [ ]a) H3O+ b) OH–c) Both a and b d) None4. Which calcium compound does not increase the pH of acidic solids ? [ ]a) Calcium carbonate b) Calcium hydroxide c) Calcium oxide d) Calcium sulphate5. Who devised pH scale ? [ ]a) Sorensen b) Bohr c) Sommerfeld d) Arrhenius4
Answer» 1 PH scale2.43OH-4 CALCIUM CARBONATE5 SORENSEN