Civil Engineering - Building Materials - Discussion
Discussion Forum : Building Materials - Section 2 (Q.No. 7)
7.
Resins are
Discussion:
24 comments Page 1 of 3.
Bharat wagle said:
8 years ago
Resins,
-a sticky flammable organic substance, insoluble in water, exuded by some trees and other plants (notably fir and pine).
-a solid or liquid synthetic organic polymer used as the basis of plastics, adhesives, varnishes, or other products.
So, E is correct.
-a sticky flammable organic substance, insoluble in water, exuded by some trees and other plants (notably fir and pine).
-a solid or liquid synthetic organic polymer used as the basis of plastics, adhesives, varnishes, or other products.
So, E is correct.
Sandeep said:
8 years ago
Resins are not soluble in water - correct.
Resins are soluble in spirit- Not all but some are in which resin is soluble.
Used in varnishes- correct.
Left behind on evaporation of oil- correct.
So, the most probable correct answer is E.
All of above.
Resins are soluble in spirit- Not all but some are in which resin is soluble.
Used in varnishes- correct.
Left behind on evaporation of oil- correct.
So, the most probable correct answer is E.
All of above.
Amit sharma said:
9 years ago
Resin is a natural or synthetic organic substance which is soluble in some organic solvent such as linseed oil turpentine only. And their resinous solution in a solvent formed varnishes. So guys please don't confuse, the given answer is correct.
Aswin said:
7 years ago
Option E is correct. Resins are insoluble in water and soluble in other solvents like alcohol and also as the oil or solvent evaporates, resin remains.
Souvik said:
8 years ago
Resins are insoluble in water and soluble in spirit and used as components of varnishes. So the option " E. All the above" should be the right answer.
Vicky said:
7 years ago
Some resins are soluble in water and also some resins are not soluble in spirit.
So, the answer C is correct.
So, the answer C is correct.
Rathla Mohan said:
8 years ago
May be option C is correct resign is soluble in organic solvent is not dilute in organic.
Pankaj said:
7 years ago
I think E is the correct answer because resins are insoluble in water.
Rajesh thakur said:
9 years ago
Option E is correct.
Ref: engineering material by R.K Rajput.
Ref: engineering material by R.K Rajput.
Sameer dev madnawat said:
8 years ago
If option E is not given. Which option is correct?
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