Which of the following represents natural rubber chemically? – McqOptions

MCQOPTIONS

1.	Which of the following represents natural rubber chemically?
A.	cis 1,4-polyisoprene
B.	trans 1,4-polyisoprene
C.	cis 1,3-polyisoprene
D.	trans 1,3-polyisoprene
Answer» B. trans 1,4-polyisoprene

Discussion

No Comment Found

Related MCQs

Which of the following information about chlorinated rubber is wrong?
Which solvent is used to dissolve rubber pieces in the process of chlorination of natural rubber?
What kind of product is obtained on chlorination of natural rubber?
Consider the following statements about hydrocarbons of natural rubber and gutta percha.I. They have same elementary formula.II. They have same molecular weight.III. Rubber hydrocarbon has low specific gravity than gutta percha.Which of the following statements are true?
Which substance is added to the dilute latex to prevent darkening of latex?
Which tree gives out the latex to obtain natural rubber?
While producing the smoked rubber, the sheets are hanged for about _________ in smoked chambers.
While producing smoked rubber, the latex and reacted with formic acid, the vertical partition plates are inserted and left undisturbed for _________
While producing the smoked rubber, the filtered latex is fed into long rectangular tanks of _________ deep.
While producing the crepe rubber, the coagulam is passed between two rollers of about _________ wide.