LSS11.3 How Chemical Changes Occur

Chemical changes can involves e____, c____ & m____.

(a)  

Chemical changes can involves e____, c____ & m____.

(a)  

(a)   produces chemical changes, like neutralization.

Light sticks is an example of chemical change through ____, where two or more ____s mix and combine ____ to form one or more ____s.

(a)  

(a)   produces chemical changes, like thermal decomposition.

Thermal decomposition is a process in which a ____ substance is broken down into ____ simpler substances by the effect of ___.

(a)  

The following equation shows decomposition of ___ and ___ respectively.

(a)  

(a)   produces chemical changes, like photosynthesis.

Light interacts with matter to cause chemical changes such as in photosynthesis.

During photosynthesis, green plants

take in w_ and c_ d_,

to produce g_ and o_,

in the presence of l_.

(a)  

(a)   produces chemical changes, like rusting and cellular respiration.