Please just put the letters SECTION 2: Answer any FIVE of the following question

Question

Please just put the letters
SECTION 2: Answer any FIVE of the following questions: Circle ONE correct answer from the given options. Each question carries 5 points. In a conductimetric titration what lappens al the equivalence print? a Conductivity reaches the minimum Conductivity reaches the maximum. the acid e Some amount of barium hydro vide doesnot react wih dd The precipitation of Barium Chloride occurs. 2 In the experiment. Pres temperature relationship in cases which data pairs were collected? a Pressure and volume b. Temperature and volume c. Temperature and pressure d. None of the above retardation factor, R, 7 3. Which of the following sentences is true regarding retention solute a It is the ratio of distance travelled by solvent to the distance travelled by b. The value of Rr always lies in between land-1. temperature. c. It is constant for a solute and solvent system at a constant d. None of the above. which would otherwise and 4. Ascorbic acid is added to complex dissolved interfere with the determination of Aluminium. a. Gold and manganese b. Silver and manganese c. Iron and manganese d. Sodium and iron 5. What is the chemical name of NO a. Nitrogen dioxide b. Nitrite ion c, Nitrate ion ion water? d. Nitrogen dioxide Aluminium (II in drinking 6. What is the recommended cut off of level a. x 10 mg L 1 b. x 10 mg L' c. 1 x 10 mg L d, x 10 mg L

Explanation / Answer

1. a

2. c

3. c

4. c

5. b

6. c

Aluminum(III) levels in drinking water be maintained below 0.1 ppm i.e. 0.1 mg L-1 .

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