Grammar Quiz

[ Vocabulary ]

a physical system that does not allow transfer of matter in or out of the system

A. conservation of matter

B. closed system

C. reactant

D. chemical reaction

Select your answer:
A  B  C  D  E 


Random Topics:

Articles and PronounsGrammar (either..or.. and neither..nor..)Adverbs of Manner, Likes and PreferencesVocabulary and PrepositionsIndirect SpeechDemonstrative PronounModals and Past ModalsProgressive TensePast Simple VerbsTenses and Verbs

Other quiz:

Grammar › View

The adjectives are words use to describe a person, place or thing

A. TRUE

B. FALSE


Question Tags › View

You didn’t turn of the light,……?

A. right

B. did you

C. didn’t you

D. did I