Rate of chemical reactions
Authored by Marwa Abd El Hamid
Science
9th Grade
NGSS covered
Used 160+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
At the beginning of the reaction, reactants concentration is 0%.
True
False
Tags
NGSS.HS-PS1-5
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
During the chemical reaction, Concentration of resultants decreases by time.
True
False
Tags
NGSS.HS-PS1-5
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
By increasing temperature, speed of chemical reaction increases.
True
False
Tags
NGSS.HS-PS1-5
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Catalyst properties changes during the chemical reaction.
True
False
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Iron fillings reacts with hydrochloric acid faster than iron block.
True
False
Tags
NGSS.HS-PS1-5
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
ionic compounds react faster than covalent compounds.
True
False
Tags
NGSS.HS-PS1-5
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
There is an inverse relationship between concentration of reactants and speed of chemical reaction.
True
False
Tags
NGSS.HS-PS1-5
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