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Class 11
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Quantitative Estimation
Quantitative Estimation
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1)
What is the type of reaction involved in acid-alkali titration?
Decomposition
Neutralization
Precipitation
Combustion
2)
What is the pH of the solution obtained by the reaction between a strong acid and a strong base?
>7
14
7
3)
What is the indicator used in strong base-weak acid titration?
Methyl yellow
Phenolphthalein
Methyl orange
Potassium permanganate
4)
What is the volume of conc.HCl required to prepare 250ml 5N HCl solution? (Normality of conc. HCl = 12)
10.42ml
104.2ml
8ml
1.04ml
5)
The molecular mass of H₂SO₄ is 98. Then what is its equivalent mass?
196
49
24
98
6)
What is the method used to determine the strength of a given solution?
Gravimetric analysis
Qualitative analysis
Chromatography
Volumetric analysis
7)
What is the nature of the solution obtained by the reaction between a strong base and a weak acid?
Amphoteric
Basic
Acidic
Neutral
8)
Which one of the following is the Normality equation?
N₁N₂ = V₁V₂
N₁+V₁ = N₂+V₂
N₁/V₂ = N₂/V₁
N₁V₂ = N₂V₁
9)
What is the molarity of the solution obtained by diluting 13.9 ml of 18 M H₂SO₄ to 100 ml?
0.25 M
18 M
1.8 M
2.5 M
10)
Phenolphthalein gives ................ color in alkaline medium,
Blue
Yellow
Pink
Red
Cite this Simulator:
amrita.olabs.edu.in,. (2013). Quantitative Estimation. Retrieved 21 May 2022, from amrita.olabs.edu.in/?sub=73&brch=7&sim=109&cnt=297