[ Vocabulary ]
a substance that enters into and is altered in the course of a chemical reaction
A. solute
B. solution
C. product
D. reactant

Random Topics:
Conjunctions - ConnectorsPresent Simple & Present ContinuousNouns FormationFamily VocabularyArticles - rulesModal Auxiliary VerbsTenses of VerbsAdjective & AdverbGrammar - must & have toSo / Neither / Either / TooOther quiz:
Grammar › ViewTransfer this Active Voice sentence into the Passive one:
Steven was editing an important manuscript.
A. Steven was being edited by an important manuscript.
B. An important manuscript had been edited by Steven.
C. An important manuscript was edited by Steven.
D. An important manuscript was being edited by Steven.
Modals › View
My girlfriend is expecting me at 8 p.m. I … be late!
A. mustn’t
B. don’t have to
C. have to
D. must
Quantifiers › ViewToday is very _________ colder than yesterday.
A. many
B. much
Grammar › View
My big brother ________ a motorcycle.
A. ride
B. rides
