A.蒸餾水 B.加顯色劑的試液 C.加掩蔽劑的試液 D.任意試液
A.蒸餾 B.分餾 C.萃取 D.析出
A.1.88% B.0.94% C.0.0188% D.0.0094%
A.32/233 B.96/233 C.233/32 D.233/96
A.鈣試劑 B.鉻黑T C.高錳酸鉀 D.酚酞