A chemical reaction does not involve:
a. Formation of new substances having
entirely different properties than that of
the reactants
b. Breaking of old chemical bonds and
formation of new chemical bonds
c. Rearrangement of the atoms of reactants
to form new products
d. Changing of the atoms of on element
into those of another element to form
new products
Answer ( 1 )
Answer. (D) Changing of the atoms of on
element into those of another element to
form new products. Hint: A chemical reaction is a process in which one or more
substances, the reactants, are converted to
one or more different substances known
as products.