
Hardening of leather in tanning industry is based on:
A. Electrophoresis
B. Electro-osmosis
C. Mutual coagulation
D. Persistent dialysis
Answer
463.8k+ views
Hint: In this type of question we have to clearly know about the definition of process required for the special purpose. Like in the tanning industry, hardening of leather is due to the mutual coagulation process.
Complete Step by step answer: Firstly we have to know for the tannin. In the process of tannin two chemicals of opposite charges are coagulated.
As in the given question in the tanning process the negatively charged colloidal chemical is required for the leather because leather is positively charged so we have a chemical of opposite charge to complete coagulation.
When the leather and chemical with negatively charged ions is soaked with leather the coagulation process is started . This is called mutual coagulation .
When positively charged particles and negative colloids mixed up this coagulation leads to the hardening of leather.
So the hardening of leather in the tanning industry is due to mutual coagulation of charges.
Therefore, option number c will be the correct option.
Note: Mutual coagulation is the process of destabilization of colloids by neutralizing electric charge of dispersed phase particles which result in the aggregation of the particle. It should be taken in mind that if it becomes too hard it may lead to brittle failure, so the hardening process should be in optimum condition.
Complete Step by step answer: Firstly we have to know for the tannin. In the process of tannin two chemicals of opposite charges are coagulated.
As in the given question in the tanning process the negatively charged colloidal chemical is required for the leather because leather is positively charged so we have a chemical of opposite charge to complete coagulation.
When the leather and chemical with negatively charged ions is soaked with leather the coagulation process is started . This is called mutual coagulation .
When positively charged particles and negative colloids mixed up this coagulation leads to the hardening of leather.
So the hardening of leather in the tanning industry is due to mutual coagulation of charges.
Therefore, option number c will be the correct option.
Note: Mutual coagulation is the process of destabilization of colloids by neutralizing electric charge of dispersed phase particles which result in the aggregation of the particle. It should be taken in mind that if it becomes too hard it may lead to brittle failure, so the hardening process should be in optimum condition.
Recently Updated Pages
Master Class 11 Accountancy: Engaging Questions & Answers for Success

Glucose when reduced with HI and red Phosphorus gives class 11 chemistry CBSE

The highest possible oxidation states of Uranium and class 11 chemistry CBSE

Find the value of x if the mode of the following data class 11 maths CBSE

Which of the following can be used in the Friedel Crafts class 11 chemistry CBSE

A sphere of mass 40 kg is attracted by a second sphere class 11 physics CBSE

Trending doubts
10 examples of friction in our daily life

One Metric ton is equal to kg A 10000 B 1000 C 100 class 11 physics CBSE

Difference Between Prokaryotic Cells and Eukaryotic Cells

State and prove Bernoullis theorem class 11 physics CBSE

What organs are located on the left side of your body class 11 biology CBSE

The combining capacity of an element is known as i class 11 chemistry CBSE
