Question

plz define all the questions​

Answer 1

Explanation:

1)IN CHEMISTRY, A WORD EQUATION IS A CHEMICAL REACTION EXPRESSED IN WORDS RATHER THAN CHEMICAL FORMULAS .A WORD EQUATION SHOULD STATE THE REACTANTS ,PRODUCTS ,AND DIRECTION OF THE REACTION IN A FORM THAT COULD BE USED TO WRITE

EX:CU+O2-CUO

Answer 2

Explanation:

Ans.2.A process that involve rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reactions.

eg. iron and oxygen combining to make rust.

vinegar and baking soda combining to make

sodium acetate, carbon dioxide and water.