Virtual Labs

Chemical Sciences Virtual Chemistry Lab Experiments

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

HPTLC-Densitometric Screening of Mineral Oil in Milk

Choose difficulty:

Beginner

Intermediate

Advanced

1. Partial hydrogenation of vegetative oils in the presence of Ni catalyst at 200°C gives-

a: Vanaspati ghee Explanation

Explanation

b: Margarine Explanation

Explanation

c: Both of these Explanation

Explanation

d: None of these Explanation

Explanation

2. The degree of unsaturation of a fat can be determined by means of its-

a: Iodine number Explanation

Explanation

b: Octane number Explanation

Explanation

c: Saponification number Explanation

Explanation

d: Melting Point Explanation

Explanation

3. Which of the following compounds will not be classified as lipids?

a: Fats Explanation

Explanation

b: Waxes Explanation

Explanation

c: Soaps Explanation

Explanation

d: Oils Explanation

Explanation

4. The saponification number of a fat is-

a: The number of grams of iodine absorbed by 100 grams of fat Explanation

Explanation

b: The number of milligrams of KOH required to saponify 1 gram of fat Explanation

Explanation

c: The number of grams of NaOH required to saponify 1 gram of fat Explanation

Explanation

d: The temperature at which the fat melts Explanation

Explanation

5. Rancidity in fats and oils is caused by-

a: Hydrolysis Explanation

Explanation

b: Oxidation Explanation

Explanation

c: Hydrogenation Explanation

Explanation

d: Saponification Explanation

Explanation

Community Links Sakshat Portal Outreach Portal FAQ: Virtual Labs

AGPL 3.0 & Creative Commons (CC BY-NC-SA 4.0)