According to Ciborowski, after performing experiments on naphthalene, – McqOptions

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1.	According to Ciborowski, after performing experiments on naphthalene, what was the decrease in efficiency percent when the gas velocity was increased?
A.	100% to 80-90%
B.	100% to 70-60%
C.	100% to 40-50%
D.	None of the mentioned
Answer» B. 100% to 70-60%

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