FSC Part 1 Chemistry Chapter 9 Solutions Online Test

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Sr. #	Question	Answer
1	A substance that changes color with pH is a	A. Orange B. Red C.Yellow D. Blue
2	The solubility prodct of Pb SO4 is	A. 1.6 x 10^-8 B. 1.4 x 10^-4 C.1.6 x 10^-6 D. 1.6 x 10^-2
3	The pH of a buffer doesn't chagne much when	A. Diluted with water B. Acid or base is added C.Heated D. Temp changes
4	The sgtrength of base is measured by its.	A. Ka B. Kb C.Pkw D. Kw
5	The suppression of ionization of a weak electrolyte by adding common ion is	A. Le-Chatelier's effect B. Common ion effect C.Auf Bau effect D. Hund's rule
6	Which acid is present in vinegar	A. CH3COOH B. HNO3 C.H2SO4 D. HCl
7	The solubility product of AgCl is 2.0 x 10^-10 mol2 dm-6. The maximum concentration of Ag+ ions in the solution is.	A. 2.0 x 10^-10 mol dm^-3 B. 1.41 x 10^-5 mol dm^-3 C.1.0 x 10^-10 mol dm^-3 D. 4.0 x 10^-20 mol dm^-3
8	The conjugate base fo H2CO3 is	A. HCO3 B. CO2 C.CO3 D. H2CO3
9	The pKa value for HCOOH is.	A. 4.74 B. 3.78 C.4.78 D. 4.24
10	In an acid base titration, the equivalence point is reached when.	A. pH of the solution is 7.0 B. The indicagor changes color C.Equal volumes of acid and base have been added D. The reaction stops
11	An acid and base react to give a.......................acid and base	A. Amphoteric B. Salt C.Conjugate D. Neutral
12	Which one is a Lewis base.	A. H+ B. NH3 C.HCl D. BF3
13	Which one of the following is not the applicatio of solubility products.	A. Determination of solubility from Ksp B. Common ion effect C.Predicting precipitation D. Dissociation of bonds
14	pH of blood is around.	A. 6.0 B. 7.4 C.5.4 D. 8.0
15	Which indicator is typically used for titration involving strong acids and strong bases.	A. Methyl red B. Phenolphthalein C.Bromothymol blud D. Litmus solution
16	Which of the following is the conjugate base of water.	A. OH- B. OH+ C.H2O D. H2O+
17	The pH of distilled water at 25 oC is	A. 6 B. 7 C.5 D. 4

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11th Class Chemistry Chapter 8 MCQ Test with Answer

MCQ's Test For Chapter 9 "Acid-Base Chemistry"

Acid-Base Chemistry

A salt from stron acid+weak base gives.

pH of blood is around.

Which has the lowest pH?

The solubility prodct of Pb SO4 is

pH of 1 x 10 -4 M HCl is

Which one is a monoprotic acid

A buffer solution is.

The conjugate base of HClO4 is

Which of the following is the conjugate base of water.

The sgtrength of base is measured by its.

Strong bases have

An acid with low Ka value is.

Strong acids completely dissociate in water because.

The pKa value for HCOOH is.

The logarithmic nature of pH means.

The pH scale ranges typically from

NaOH is not considered an Bronsted Lowry acid because.

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