
Analatyical 2 first quiz

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Others
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University
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Easy
Ahmed Nady
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When classified quantitative analysis based on concentration , the micro quantity be
More than 100 mg
Between 10 - 100 mg
Less than 10 mg
500 mg
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The theoretical concept for completence
of reaction.
Equaivalent point
End point
Accuracy
Analyte
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Substance with known concentration used
for determination of sample
Analyte
Standard
Precision
Indicator
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
All that are examples for primary standard , except ..........
hydrate salts of oxalic acid
benzoic acid
KHCO3
KHSO4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
chemical reaction is proportional to
the product of the active masses of the reacting substances
Preciptation
Velocity
Mass
Molecular weight
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Common pharmaceutical buffer is
Sorenson’s phosphate buffer having a pH
range
6 - 8
7 - 9
6 - 9
7 - 8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Henderson-Haselbach Equations For acidic buffer
pOH = pKb + log [salt] / [base]
pOH = pKb + log [acid ] / [salt ]
pH = pKa + log [salt]/[acid]
pOH = pKb + log [base] / [salt]
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