a process in which one or more substances are converted ...

[ Vocabulary ]

a process in which one or more substances are converted to one or more different substances

A. conservation of matter

B. closed system

C. chemical reaction

D. reactant

Select your answer:
A B C D E

Random Topics:

Too or Enough Transitional Words Past Tense (Regular and Irregular)Articles and Demonstratives Passive and Active Voice Present Progressive or Present Simple Tenses - Present and Past Stative Verbs and Tenses Adjectives, Adverbs, and Prepositions Relative Clauses & Real Conditionals

Other quiz:

Present Perfect Tense › View

How much have you … for clothes that you never wear?

spent
spend

Grammar › View

Which is punctuated correctly?
1. The new school Wagner Elementary is on Main Street.
2. The new school, Wagner Elementary, is on Main Street.
3. The new school, Wagner Elementary is on Main Street.
4.The new school Wagner Elementary, is on Main Street.
A. 1
B. 2
C. 3
D. 4

Vocabulary › View

to ask questions, examine by questioning

A. interrogate

B. trivial

C. vicious

D. truce

Grammar › View

What are the four principal parts of a verb?

A. Infinitive, present participle, past, past participle

B. Infinitive, present, future, past

C. Present, past, future, past participle

D. Infinitive, present, past, future participle