單項選擇題
A.<1.00% B.≥1.00% C.<5.00% D.≥5.00%
A.0.1000g B.0.2000g C.0.3000g D.0.4000g
A.催化 B.氧化 C.沉淀 D.掩蔽
A.鐵粉 B.銅粉 C.錫粒 D.鎢粒
A.0.010mol/L B.0.050mol/L C.0.10mol/L D.0.50mol/L
A.過氧化氫 B.高錳酸鉀 C.王水 D.硝酸
A.0.5~1/min B.0.5~1.5L/min C.1~1.5L/min D.1.5~2L/min
A.1050℃ B.1150℃ C.1200℃ D.1250℃
A.950~1050℃ B.1050~1150℃ C.1150~1250℃ D.1250~1350℃
A.3min B.5min C.7min D.15min
A.0.1mm B.0.2mm C.0.3mm D.0.4mm