Acetals retain their properties up to ______ – McqOptions

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1.	Acetals retain their properties up to ______
A.	50<sup>o</sup>C
B.	120<sup>o</sup>C
C.	240<sup>o</sup>C
D.	420<sup>o</sup>C
Answer» C. 240<sup>o</sup>C

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