食品分析(實驗)學習測驗

食品分析(實驗)學習測驗

University

20 Qs

quiz-placeholder

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食品分析(實驗)學習測驗

食品分析(實驗)學習測驗

Assessment

Quiz

Chemistry

University

Practice Problem

Easy

Created by

廷易 簡

Used 3+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

在 100 kg 豬肉中添加12 g 亞硝酸鈉(NaNO2),則其 NO2-的濃度為多少 ppm?

60

80

100

120

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

凱氏(Kjeldahl)定氮法中,加入濃硫酸並且加熱使試樣分解時亦加入硫酸銅,此硫酸銅加入之主要目的為:

當指示劑用

當催化劑用

當添加劑用

當清潔劑用

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

下列何者不是常使用於氣相層析儀的偵測器?

熱傳導偵測器 thermal conductivity detector

折射率偵測器 refractive index detector

焰式游離偵測器 flame ionization detector

電子捕獲偵測器 electron capture detector

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

利用索氏萃取器萃取測定食品中粗脂肪使用的溶劑為何?

甲醇

乙醇

乙醚

乙酸乙酯

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

方框內應為下列何物?

氯化鈉

油脂

纖維素

蛋白質

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

急性的食物中毒最可能的原因?

添加物

油脂氧化

微生物

致癌物

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

下列何者為體積單位?

奈米

毫升

微克

公斤

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