你可能感興趣的試題

According to the Chemical Data Guide，1，3 - pentadiene possesses which characteristic? （）

A.Colorless liquid，mild aromatic odor
B.Pale yellow liquid，strong odor
C.Colorless liquid，faint odor
D.Straw-colored liquid，sweet-odor

單項選擇題

According to regulations，access to a cargo pumproom in a tank vessel carrying grades C or D liquid cargo shall be（）.

A.from areas equipped with power ventilation
B.only from enclosed areas free from sources of vapor ignition
C.from the open deck
D.from within the vessel

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According to the Chemical Data Guide，which reactive group(s) is/are not compatible with the products polybutene and o-xylene? （）

你可能感興趣的試題

According to the Chemical Data Guide，1，3 - pentadiene possesses which characteristic? （）

According to regulations，access to a cargo pumproom in a tank vessel carrying grades C or D liquid cargo shall be（）.

According to the Chemical Data Guide，1，3 - pentadiene possesses which characteristic? （）

According to regulations，access to a cargo pumproom in a tank vessel carrying grades C or D liquid cargo shall be（）.