6. Estimation of Constituents of Deodorant and Antiperspirants

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1....………of the following halide is present in deodorants and Antiperspirants *

1 point

a) Fluoride

b) Chloride

c) Bromide

d) Iodide

2. In estimation of Chloride in deodorants and Antiperspirants………. is added for neutralization *

1 point

a) 1:1 ammonium hydroxide

b) 1:1 Sodium hydroxide

c) 1:1 Calcium hydroxide

d) 1:1 Aluminum hydroxide

3. In estimation of Chloride in deodorants and Antiperspirants 1:1 nitric acid is used …………. *

1 point

a) Neutralization

b) Acidification

c) Basification

d) None of the above

4. Chloride present in deodorants and Antiperspirants is precipitated by using …………. *

1 point

a) 0.1 N Silver nitrate solution

b) 0.1 N Calcium nitrate solution

c) 0.1 N Potassium nitrate solution

d) 0.1 N Ammonium nitrate solution

5. Estimation of Chloride from deodorants and Antiperspirants is done by weighing …………. *

1 point

a) Silver chlorides precipitate

b) Calcium chlorides precipitate

c) Potassium chlorides precipitate

d) Ammonium chlorides precipitate

6. …….. metal is estimated from deodorants and Antiperspirants *

1 point

a) Zinc

b) Sodium

c) Iron

d) Nickel

7. In estimation of Zinc from deodorants and Antiperspirants…… is used as a complexing agent *

1 point

a) Quinoline

b) 8-hydroxyquinoline

c) 4-hydroxyquinoline

d) 2-hydroxyquinoline

8. ……….. is used for neutralization in estimation of Zinc from deodorants and Antiperspirants *

1 point

a) Ammonium hydroxides

b) Sodium hydroxide

c) Calcium hydroxide

d) Aluminum hydroxide

9. During the process of estimation of Zinc from deodorants and Antiperspirants, after addition of ammonium acetate, the pH of reaction mixture is adjusted to …......... *

1 point

a) 5.7 to 5.9

b) 4.7 to 4.9

c) 3.7 to 3.9

d) 2.7 to 2.9

10. In estimation of Zinc from deodorants and Antiperspirants, the obtained precipitate of zinc complex is dried for 2 hours at……. *

1 point

a) 90-100 oC

b) 200-250 oC

c) 130-140 oC

d) 320-350 oC

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