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【Learn Ethylene Together】Five questions per day to easily learn about ethylene in 15 days

2016-06-20View Original

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【Learning Ethylene Together】Five questions per day to easily learn about ethylene. 15 71. The sulfide currently added to the ethane cracking feed is ( ), and the normal amount to be added is (    ). 72. The functions of lubricating oil are ( ) and ( ). 73. The general formula for an alcohol molecule is ( ), and its functional group is ( ). 74. The basic types of reactions of inorganic compounds are ( ), ( ), ( ), ( ). 75. The lowest temperature to which the pyrolysis gas is cooled by the waste heat boiler depends on ( ). 71. The sulfide currently injected into the ethane cracking feed is ( ), and the normal injection amount should be (    ). Dimethyldisulfide (DMDS) 50–100PPm 72. The functions of lubricating oil are ( ) and ( ). Cooling Lubrication 73. The general formula for an alcohol molecule is ( ), and its functional group is ( ). R-OH -OH 74. The basic types of reactions of inorganic compounds are ( ), ( ), ( ), ( ). Combination reaction, decomposition reaction, displacement reaction, double displacement reaction. 75. The lowest temperature to which the pyrolysis gas is cooled in a waste heat boiler depends on ( ). Dew point of pyrolysis gas
Reply #22016-06-20
71. The sulfide currently injected into the ethane cracking feed is (dimethyldisulfide), and the normal injection level should be (50–100 PPm). 72. The functions of lubricating oil are (lubrication) and (cooling). 73. The general formula for an alcohol molecule is (R—OH), and its functional group is (—OH). 74. The basic types of reactions of inorganic compounds are (combination reaction), (decomposition reaction), (substitution reaction), and (double displacement reaction). 75. The lowest temperature to which the pyrolysis gas is cooled by the waste heat boiler depends on (the dew point of the pyrolysis gas).
Reply #32016-06-20
71. The sulfide currently injected into the ethane cracking feed is (dimethyldisulfide), and the normal injection level should be (50–100 PPm). 72. The functions of lubricating oil are (lubrication) and (cooling). 73. The general formula for an alcohol molecule is (R—OH), and its functional group is (—OH). 74. The basic types of reactions of inorganic compounds are (combination reaction), (decomposition reaction), (substitution reaction), and (double displacement reaction). 75. The lowest temperature to which the pyrolysis gas is cooled by the waste heat boiler depends on (the dew point of the pyrolysis gas).
Reply #42016-06-20
71. The sulfide currently injected into the ethane cracking feed is (dimethyldisulfide), and the normal injection level should be (50–100 PPm). 72. The functions of lubricating oil are (lubrication) and (cooling). 73. The general formula for an alcohol molecule is (R—OH), and its functional group is (—OH). 74. The basic types of reactions of inorganic compounds are (combination reaction), (decomposition reaction), (substitution reaction), and (double displacement reaction). 75. The lowest temperature to which the pyrolysis gas is cooled by the waste heat boiler depends on (the dew point of the pyrolysis gas).
Reply #52016-06-20
71. The sulfide currently injected into the ethane cracking feed is (dimethyldisulfide), and the normal injection level should be (50–100 PPm). 72. The functions of lubricating oil are (lubrication) and (cooling). 73. The general formula for an alcohol molecule is (R—OH), and its functional group is (—OH). 74. The basic types of reactions of inorganic compounds are (combination reaction), (decomposition reaction), (substitution reaction), and (double displacement reaction). 75. The lowest temperature to which the pyrolysis gas is cooled by the waste heat boiler depends on (the dew point of the pyrolysis gas).
Reply #62016-06-20
71. The sulfide currently injected into the ethane cracking feed is (dimethyldisulfide), and the normal injection level should be (50–100 PPm). 72. The functions of lubricating oil are (lubrication) and (cooling). 73. The general formula for an alcohol molecule is (R—OH), and its functional group is (—OH). 74. The basic types of reactions of inorganic compounds are (combination reaction), (decomposition reaction), (substitution reaction), and (double displacement reaction). 75. The lowest temperature to which the pyrolysis gas is cooled by the waste heat boiler depends on (the dew point of the pyrolysis gas).
Reply #72016-06-20
71. The sulfide currently injected into the ethane cracking feed is (dimethyldisulfide), and the normal injection level should be (50–100 PPm). 72. The functions of lubricating oil are (cooling) and (lubrication). 73. The general formula for an alcohol molecule is (R—OH), and its functional group is (—OH). 74. The basic types of reactions of inorganic compounds are (combination reaction), (decomposition reaction), (substitution reaction), and (double displacement reaction). 75. The lowest temperature to which the pyrolysis gas is cooled by the waste heat boiler depends on (the dew point of the pyrolysis gas).
Reply #82018-11-03
71. The sulfide currently injected into the ethane cracking feed is (dimethyldisulfide), and the normal injection level should be (50–100 PPm). 72. The functions of lubricating oil are (lubrication) and (cooling). 73. The general formula for an alcohol molecule is (R—OH), and its functional group is (—OH). 74. The basic types of reactions of inorganic compounds are (combination reaction), (decomposition reaction), (substitution reaction), and (double displacement reaction). 75. The lowest temperature to which the pyrolysis gas is cooled by the waste heat boiler depends on (the dew point of the pyrolysis gas).

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