Surface Chemistry - Online Test
Q1. Which catalyst is used in contact process?
Answer : Option A
Explaination / Solution:
V2O5 is used as catalyst in contact process .
Q2. Catalyst used in hydrogenation of vegetable oil is
Answer : Option A
Explaination / Solution:
Vegetable oil is unsaturated fats which are hydrogenated used Ni as catalyst.
Q3. The activity of the iron catalyst used in Haber’s process is adversely affected due to presence of
Answer : Option D
Explaination / Solution:
CO act as a poison for Fe.
Q4. The example of heteropolar solution is
Answer : Option C
Explaination / Solution:
Protein solution is an example heteropolar solution.
Q5. Which one of the following is an example of micelle system?
Answer : Option B
Explaination / Solution:
Soap have hydrophobic tails and hydrophilic heads so they can act micelle.
Q6. Metals like silver and copper can be obtained in the colloidal state by
Answer : Option D
Explaination / Solution:
Metal sols are prepared only by Bredig’s Arc method.
Q7. Gelatine is often used as an ingredient in the manufacture of ice cream for
Answer : Option B
Explaination / Solution:
Gelatin is used as ingredient in manufacture of ice cream.
Q8. Artificial smoke screens used in the warfare are colloidal dispersion of
Answer : Option A
Explaination / Solution:
Artificial smoke screens used in the warfare are colloidal dispersion of Titanium oxide.
Q9. The emulsifying agent present in milk that makes it stable is
Answer : Option B
Explaination / Solution:
fact
Q10. Hardening of leather in tanning industry is based on
Answer : Option A
Explaination / Solution:
Fact
