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Answer : 4. "Urethanes"
As a vegetable preservative poly______ foam is used.
5Q:
As a vegetable preservative poly______ foam is used.
- 1Uthanefalse
- 2Uriathenesfalse
- 3Urathanesfalse
- 4Urethanestrue
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Answer : 4. "Urethanes"
Explanation :
Urethanes. As a vegetable preservatives poly urethanes form is used .