Chemistry Fsc Part 1 Online Test With Answers

Chemistry Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 Which is amphoteric H2O HCl NaOH NH3
2 The definition of amphoteric is Only acid Only base Botha acid and base Neither
3 The conjugate base of HClO4 is ClO4 ClO4 <sup>2-</sup> hClO3 H2ClO4+
4 An acid and base react to give a.......................acid and base Amphoteric Salt Conjugate Neutral
5 Which of the following pair form a buffer solution . HCl and NaCl CH3COONa and CH3COOH NaOH and HCl NH3 and Na2SO4
6 If the concentration of Cl- ion in a solution is increaed, the soubility of silver chloride will Decreasse Increase Remain unchanged Become zero
7 In an acid base titration, the equivalence point is reached when. pH of the solution is 7.0 The indicagor changes color Equal volumes of acid and base have been added The reaction stops
8 Which of the following is a Lewis acid but not a Brontsted Lowry acid HCl NH3 Al Cl3 H2O
9 Which of the following is the conjugate base of water. OH- OH+ H2O H2O+
10 Which indicator is typically used for titration involving strong acids and strong bases. Methyl red Phenolphthalein Bromothymol blud Litmus solution 
11 CH3COONa in water forms Acidic solution  Basic Solution  Neutral Solution  Salt bridge
12 Salts of weak acid + strong base are. Basic Acidic Amphoteric Neutral
13 Na2CO3 in wate gives. Acidic solution  Basic Solution  Neutral solution  Buffer
14 NH4Cl in water makes solution  Neutral Acidic Basic amphoteric
15 Untis of Kc depend on  Catalyst Reaction stoichimometty Activation energy  Delta H
16 Unit of Kc depend on Change in concentration  Change in nuebr of moles of gas Chage in pressure Change in Entropy
17 If Delta n is positive, then Kp is Greater than Kc Less than Kc equal Kc Zero
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