LSS11.3 How Chemical Changes Occur
Authored by Han Kuang
Science
8th Grade
Used 6+ times
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13 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Chemical changes can involves e____, c____ & m____.
(a)
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Chemical changes can involves e____, c____ & m____.
(a)
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
(a) produces chemical changes, like neutralization.
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Light sticks is an example of chemical change through ____, where two or more ____s mix and combine ____ to form one or more ____s.
(a)
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
(a) produces chemical changes, like thermal decomposition.
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Thermal decomposition is a process in which a ____ substance is broken down into ____ simpler substances by the effect of ___.
(a)
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The following equation shows decomposition of ___ and ___ respectively.
(a)
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