One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 273
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Selection: Oil bath heating is commonly used in experiments on polymer material chemistry; what is the appropriate temperature range for it? A. Below 50°C B. Below 100°C C. 100°C–250°C D. 250°C–300°C C. 100°C–250℃
Oil bath heating is often used in experiments on polymer material chemistry; its applicable temperature range is (C). A. Below 50°C B. Below 100°C C. 100°C–250°C D. 250°C–300℃
C, 100℃-250℃