Sort out the following changes into physical and chemical changes. (1) Cutting paper
(ii) Grinding wheat
(iii) Cooking rice
(iv) Dissolving sugar
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Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.