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Statement I: Potassium hydrogen phthalate is primary standard for $NaOH$

Statement II : Phenolphthalein is used to detect completion of this titration.

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Important Questions on Volumetric Analysis

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Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

Two balls are projected at an angle

θ

and

(90 ° - θ)

with respect to the horizontal with the same speed. The ratio of their maximum vertical heights is

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Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

Directions: Each of the following sentences in this section has a blank space and four words or group of words given after the sentence. Select the word or group of words you consider most appropriate for the blank space and indicate your response on the Answer Sheet accordingly.

Every rash driver becomes a ____ killer.

HARD

Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

For

a \in R, |a| > 1,

let

\lim_{n \to \infty} (\frac{1 + \sqrt[3]{2} + \dots + \sqrt[3]{n}}{n^{7 / 3} (\frac{1}{{(a n + 1)}^{2}} + \frac{1}{{(a n + 2)}^{2}} + \dots + \frac{1}{{(a n + n)}^{2}})}) = 54 .

Then the possible value(s) of

a

is/are:

EASY

Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

Let

f : [2, \infty) \to R

be the function defined by

f (x) = x^{2} - 4 x + 5

, then the range

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Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

A particle

A

of mass

m

and charge

q

is accelerated by a potential difference of

50 V .

Another particle

B

of mass

4 m

and charge

q

is accelerated by a potential difference of

2500 V .

The ratio of de-Broglie wavelengths

\frac{λ_{A}}{λ_{B}}

is close to:

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Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

A

is a square matrix such that

A^{2} = I

, then

(A - I)^{3} + (A + I)^{3} - 7 A

is equal to

EASY

Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

A proton, a deuteron and an

α

-particle with same kinetic energy enter into a uniform magnetic field at right angle to magnetic field. The ratio of the radii of their respective circular paths is :

EASY

Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

A galvanometer of resistance

50 Ω

is connected to battery of

3 V

along with a resistance of

2950 Ω

in series. A full scale deflection of 30 divisions is obtained in the galvanometer. In order to reduce this deflection to

20

divisions, the resistance in series should be

EASY

Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

Two sentences are given below and you are required to find the correct sentence which combines both the sentences.

Which is the correct combination of the given two sentences?

He is too tired. He could not stand.

HARD

Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

Two men are walking along a horizontal straight line in the same direction. The man in front walks at a speed

1 .0 m s^{- 1}

and the man behind walks at a speed

2 .0 m s^{- 1}

. A third man is standing at a height

12 m

above the same horizontal line such that all three men are in a vertical plane. The two walking men are blowing identical whistles which emit a sound of frequency

1430 Hz

. The speed of sound in air is

330 m s^{- 1}

. At the instant, when the moving men are

10 m

apart, the stationary man is equidistant from them. The frequency of beats in

Hz

, heard by the stationary man at this instant, is __________.

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Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

In the following sentence, a blank space with four options is given. Select whichever preposition or determiner you consider the most appropriate for the blank space.

These are the good rules to live _____.

EASY

Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

Incorrect statement for the use of indicator in acid-base titration is:

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Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

Which of the following is not a pair of prime numbers ?

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Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

Given:

f (x) = \{\begin{matrix} \begin{matrix} x, 0 \leq x < \frac{1}{2} \\ \frac{1}{2}, x = \frac{1}{2} \end{matrix} \\ 1 - x, \frac{1}{2} < x \leq 1 \end{matrix}

and

g (x) = {(x - \frac{1}{2})}^{2}, x \in R .

Then, the area (in sq. units) of the region bounded by the curves,

y = f (x)

and

y = g (x)

between the lines

2 x = 1

and

2 x = \sqrt{3},

is:

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Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

For the binary operation

*

defined on

R - \{1\}

by the rule

a * b = a + b + a b

for all

a, b \in R - \{1\}

, the inverse of

a

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Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

For the following probability distribution:

$X$	$1$	$2$	$3$	$4$
$P (X)$	$\frac{1}{10}$	$\frac{1}{5}$	$\frac{3}{10}$	$\frac{2}{5}$

$E (X^{2})$ is equal to

EASY

Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

If the tangent at the point

P

on the circle

x^{2} + y^{2} + 6 x + 6 y = 2

meets

the

straight

line

5 x - 2 y + 6 = 0

at a point

Q

on the

Y

-axis, then the length of

P Q

EASY

Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

A

and

B

are any two events such that

P (A) + P (B) - P (A a n d B) = P (A)

, then

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Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

Given below are two statements:
Statement-I : Methyl orange is a weak acid.
Statement-II : The benzenoid form of methyl orange is more intense/deeply coloured than the quinonoid form.
In the light of the above statement, choose the most appropriate answer from the options given below:

HARD

Chemistry>Practical Chemistry>Volumetric Analysis>Lab Activity: Acid-Base Titration

In base vs. Acid titration, at the end point methyl orange is present as

Statement I: Potassium hydrogen phthalate is primary standard for NaOH Statement II : Phenolphthalein is used to detect completion of this titration.

Important Questions on Volumetric Analysis

Learn and Prepare for any exam you want !

Statement I: Potassium hydrogen phthalate is primary standard for $NaOH$

Statement II : Phenolphthalein is used to detect completion of this titration.