Chemical reactions involve _____ changes.
Which of the following reaction involves a chemical change?
Thermodynamics is not concerned about (a) energy changes involved in a chemical reaction (b) the extent to which a chemical reaction proceeds (c) the rate at which a reaction proceeds (d) the feasibility of a chemical reaction
Give an example of each of the following chemical changes.
(a) A reaction involving.
(i) Change of state.
(ii) Formation of the precipitate.
(b) An exothermic and an endothermic reaction involving carbon as one of the reactants.
(c) A reaction where the colour change is noticed.