7.29–Daily Quiz (Pharmaceutical Engineering Technology Version) – Prize-winning Contest
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Those who answer correctly gain 10 wealth points, while those who answer incorrectly gain 3 wealth points. Which of the following is NOT a characteristic of pollution in chemical pharmaceutical factories: ( ) A: Small quantity, many components, high variability； B: Continuous emission ； C: Unstable pH value ； D: High chemical oxygen demand. Answers submitted within 24 hours will be graded
Which of the following is not a characteristic of pollution in chemical pharmaceutical factories: (B) A: Small quantity, many components, high variability； B: Continuous emission ； C: Unstable pH value ； D: High chemical oxygen demand.