Question

3.
wate.
a. 1
b. 2
c. 3
d. 5.
4. Oxalic acid is used to prepare standard solution because it is
a. substance
b. primary standards
c. secondary standard substance d. tertiary standard s
5. The quantity of oxalic acid required to prepare 0.1 M 100 mL
is
a. 126 g
b. 12.6 g
d. 0.1
c. 1.26​

Answer 1

$\rm\huge\underline{Answer}$

the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.