Chemistry-

General

Easy

Question

Which of the following is correct method for separating a mixture of following compounds?

$\overset{a q \cdot {N a H C O}_{3}}{⟶}, \overset{a q \cdot N a O H}{⟶}, \overset{a q \cdot H C l}{⟶}$
$\overset{H_{2} O}{⟶}, \overset{a q \cdot {N a H C O}_{3}}{⟶}, \overset{a q \cdot H C l}{⟶}$
$\overset{a q \cdot H C l}{⟶}, \overset{a q \cdot {N a H C O}_{3}}{⟶}, \overset{a q \cdot N a O H}{⟶}$
$\overset{a q \cdot N a O H}{⟶}, \overset{a q \cdot {N a H C O}_{3}}{⟶}, \overset{aq.HCl}{⟶}$

The correct answer is: $stack ⟶ with H subscript 2 end subscript O on top comma stack ⟶ with a q times N a H C O subscript 3 end subscript on top comma stack ⟶ with a q times H C l on top$

Locate the image of the point object O in the situation shown in figure. The point C denotes the centre of curvature of the separating surface

physics-General

General

Maths-

An ellipse has the point $left parenthesis 1 comma blank minus 1 right parenthesis blank$ and $left parenthesis 2 comma blank minus 1 right parenthesis blank$ as its foci and $x plus y equals 5$ as one of its tangent then the coordinate of the point where this line touches the ellipse are

So, the point of contact of tangent to ellipse is $S o comma space t h e space p o i n t space o f space c o n t a c t space o f space tan g e n t space t o space e l l i p s e space i s space open parentheses 34 over 9 comma 11 over 9 close parentheses.$ .

An ellipse has the point $left parenthesis 1 comma blank minus 1 right parenthesis blank$ and $left parenthesis 2 comma blank minus 1 right parenthesis blank$ as its foci and $x plus y equals 5$ as one of its tangent then the coordinate of the point where this line touches the ellipse are

Maths-General

General

maths-

The arrangement of the ellipses in ascending order of their eccentricities when $open floor S B S to the power of 1 end exponent close$ is given, Where S & $S to the power of 1 end exponent$ are foci& $B$ is one end of the minor axis A) $open floor S B S to the power of 1 end exponent close equals 2 0 to the power of 0 end exponent$ B) $open floor S B S to the power of 1 end exponent close equals 6 0 to the power of 0 end exponent$ C) $open floor S B S to the power of 1 end exponent close equals 3 0 to the power of 0 end exponent$ D) $open floor S B S to the power of 1 end exponent close equals 9 0 to the power of 0 end exponent$

maths-General

General

maths-

$T h e p$ oints o $n t h e e$ llipse 3 $x to the power of 2 end exponent plus y to the power of 2 end exponent equals 37 comma$ where the normals to it are perpendicular to $6 x plus 5 y minus 2 equals 0$ are

maths-General

General

maths-

$E subscript 1 end subscript equals fraction numerator x to the power of 2 end exponent over denominator 25 end fraction plus fraction numerator y to the power of 2 end exponent over denominator 9 end fraction minus 1 equals 0 comma$ $C equals 0$ is a greatest circle incribed in $E subscript 1 end subscript$ and Greatest Ellipse $E subscript 2 end subscript$ is incribed in c = 0 If the eccentricities of $E subscript 1 end subscript comma E subscript 2 end subscript$ are equal then the minor axis of $E subscript 2 end subscript equals 0$ is

maths-General

General

physics-

Two thin lenses of focal lengths 1 f and 2 f are in contact and coaxial. The combination is equivalent to a single lens of power

physics-General

General

chemistry-

Methanol and acetone can be separated by:

chemistry-General

General

chemistry-

Decreasing order of solubility of following compounds is:

chemistry-General

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Which of the following is correct method for separating a mixture of following compounds?

The correct answer is:

Related Questions to study

Which statement is incorrrect?

Which statement is incorrrect?

Decreasing order of boiling point of I to IV follow:

Decreasing order of boiling point of I to IV follow:

Azulene has dipole moment 0.8 D because

Azulene has dipole moment 0.8 D because

can be differentiated by

can be differentiated by

The order in which the reagent must be used to separate the compound I - IV is

The order in which the reagent must be used to separate the compound I - IV is

can be differentiated by:

can be differentiated by:

Find the size of image formed in the situation shown in figure.

Find the size of image formed in the situation shown in figure.

Locate the image of the point object O in the situation shown in figure. The point C denotes the centre of curvature of the separating surface

Locate the image of the point object O in the situation shown in figure. The point C denotes the centre of curvature of the separating surface

An ellipse has the point and as its foci and as one of its tangent then the coordinate of the point where this line touches the ellipse are

An ellipse has the point and as its foci and as one of its tangent then the coordinate of the point where this line touches the ellipse are

The arrangement of the ellipses in ascending order of their eccentricities when is given, Where S & are foci& is one end of the minor axis A) B) C) D)

The arrangement of the ellipses in ascending order of their eccentricities when is given, Where S & are foci& is one end of the minor axis A) B) C) D)

oints ollipse 3where the normals to it are perpendicular to are

oints ollipse 3where the normals to it are perpendicular to are

is a greatest circle incribed in and Greatest Ellipse is incribed in c = 0 If the eccentricities of are equal then the minor axis of is

is a greatest circle incribed in and Greatest Ellipse is incribed in c = 0 If the eccentricities of are equal then the minor axis of is

Two thin lenses of focal lengths 1 f and 2 f are in contact and coaxial. The combination is equivalent to a single lens of power

Two thin lenses of focal lengths 1 f and 2 f are in contact and coaxial. The combination is equivalent to a single lens of power

Methanol and acetone can be separated by:

Methanol and acetone can be separated by:

Decreasing order of solubility of following compounds is:

Decreasing order of solubility of following compounds is:

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The correct answer is: $stack ⟶ with H subscript 2 end subscript O on top comma stack ⟶ with a q times N a H C O subscript 3 end subscript on top comma stack ⟶ with a q times H C l on top$

An ellipse has the point $left parenthesis 1 comma blank minus 1 right parenthesis blank$ and $left parenthesis 2 comma blank minus 1 right parenthesis blank$ as its foci and $x plus y equals 5$ as one of its tangent then the coordinate of the point where this line touches the ellipse are

An ellipse has the point $left parenthesis 1 comma blank minus 1 right parenthesis blank$ and $left parenthesis 2 comma blank minus 1 right parenthesis blank$ as its foci and $x plus y equals 5$ as one of its tangent then the coordinate of the point where this line touches the ellipse are

$T h e p$ oints o $n t h e e$ llipse 3 $x to the power of 2 end exponent plus y to the power of 2 end exponent equals 37 comma$ where the normals to it are perpendicular to $6 x plus 5 y minus 2 equals 0$ are

$T h e p$ oints o $n t h e e$ llipse 3 $x to the power of 2 end exponent plus y to the power of 2 end exponent equals 37 comma$ where the normals to it are perpendicular to $6 x plus 5 y minus 2 equals 0$ are