A chemical __________ is any aspect of a substance which is only seen by means of a chemical reaction. (property)
举一反三
- A chemical is any aspect of a substance which is only seen by means of a chemical reaction (反应).
- A chemical _______ is any aspect of a substance which is only seen by means of a chemical reaction (反应). A: queries B: property C: obstacles D: margins
- 他们很细心地观察化学变化。 a. They observed the chemical reaction with great care. b. They observed with great care the chemical reaction. 两个译文相比较,______
- To identify a substance, chemists observe two distinct types of , physical and chemical, which are related to physical and chemical that matters undergoes.
- The change in which a new substance is formed calls a chemical change().