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You can create printable tests and worksheets from these Grade 12 Acids and Bases questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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A solution with a pH of less than 7 is called
1. neutral.
2. acidic.
3. basic.
4. poison.
These help to neutralize acids and bases:
1. Buffers
2. Viscous membranes
3. Selectively permeable membranes
4. Citric acids
What is the conjugate acid of $NH_2^-$?
1. $NH_4OH$
2. $NH_3$
3. $H_2N"-"OH$
4. $C_6H_5NH_2$
Which of the following reactions represents the titration of a weak acid with a strong base?
1. $CH_3COOH + NaOH rarr CH_3COONa + H_2O$
2. $HCl + NaOH rarr NaCl + H_2O$
3. $NH_4OH + HCl rarr H_2O + NH_4Cl$
4. $NH_4OH + CH_3COOH rarr CH_3COONH_4 + H_2O$
Which of the following salts is formed from a strong acid and a weak base?
1. $NH_4Cl$
2. $CH_3COONH_4$
3. $KCN$
4. $KNO_3$
In volumetric analysis, the auxiliary reagent is known as the
1. indicator.
2. standard solution.
3. titrant.
4. titrate.
Which substance is not a Lewis acid?
1. $NH_3$
2. $BF_3$
3. $CaCl_2$
4. $AlCl_3$
Which of the following substances are considered secondary standards?
1. Sodium thiosulphate
2. Silver nitrate
3. Potassium dichromate
4. Succinic acid
Which of the following substance is used as a primary standard in an acid-base titration?
1. Potassium Hydrogen Phthalate
2. Silver Nitrate
3. Sodium Oxalate
4. Potassium Dichromate
1. $K_h = 5.76 xx 10^-10$
2. $K_h = 7.56 xx 10^-8$
3. $K_h = 3.54 xx 10^-6$
4. $K_h = 6.7 xx 10^-5$