CHAPTER NO.8 ACIDS, BASES AND SALTS
1. Unit of Kw is a. Mol dm -3 b. Mol -2 dm -6 c. Mol 2 dm -6 d. Non of these C 2. Conjugate acid base pair differs by a. A proton b. A proton pair c. An electron d. An electron pair A 3. 1M solution of Ca(OH) 2 is mixed with 1M solution of HCl. The solution formed is a. Acidic b. Basic c. Neutral d. amphoteric B 4. Cl - is the conjugate base of a. AlCl 3 b. NaCl c. HCl d. KClO 3 C 5. pH of an aqueous solutions ,its pOH is a. 11 b. 9 c. 7 5 D 6. Salt of a weak base and strong acid has pH , approximately a. 8 ...