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English Translations » 生产及现场管理圈 » Basic Knowledge of Chemical Production (10.4)

Basic Knowledge of Chemical Production (10.4)

2018-10-04View Original

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Basic Knowledge of Chemical Production: Multiple-choice Questions: Which of the following statements about the law of conservation of mass is correct? ( ) (A) The mass of the solid remains unchanged before and after the reaction. (B) The mass of the gas remains unchanged before and after the reaction. (C) The mass of the liquid remains unchanged before and after the reaction. (D) The total mass remains unchanged before and after the reaction
Reply #22018-10-04
Multiple-choice question: Which of the following statements about the law of conservation of mass is correct? (D. The total mass remains unchanged before and after a reaction.)
Reply #32018-10-04
D. The total mass remains unchanged before and after the reaction
Reply #42018-10-04
(D) The total mass remains unchanged before and after the reaction
Reply #52018-10-04
(D) The total mass remains unchanged before and after the reaction
Reply #62018-10-04
The total mass remains unchanged before and after the reaction#Reply quickly here#

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Translated at 2026-07-21 05:22:48

Original: https://bbs.hcbbs.com/thread-2072919-1-1.html

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