Which type of isomerism is shown by the complex compounds?
\(\left[ Co \left( NH _3\right)_5 Br \right] SO _4\) and \(\left[ Co \left( NH _3\right)_3 SO _4\right]\)Br

Match List - I with List - II

List - I	List - II
(A) Denaturation	(I) Sequence of amino acids in a protein
(B) Primary structure of protein	(II) alpha-Helix and beta-pleated sheets
(C) Quaternary structure of protein	(III) \(2\) degree and \(3\) degree structures gets destroyed
(D) Secondary structure of protein	(IV) The spatial arrangement of subunits (containing \(2\) or more polypeptide chains) with respect to each other

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Living systems are made up of various complex bio-molecules like carbohydrates, proteins, nucleic acids, lipids etc. Proteins and carbohydrates are essential constituents of our food. Carbohydrates are primarily produced by plants and form a very large group of naturally occurring organic compounds. Some common examples are cane sugar, glucose, starch etc.
Carbohydrates are also known as Saccharides because

Match List-I with List-II

List - I	List - II
A. Liquid in Solid	I. Hydrated Salt
B. Gas in Solid	II. Camphor in Nitrogen Gas
C. Gas in Liquid	III. Aerated Drinks
D. Solid in Gas	IV. Dissolved gases in minerals

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The conversions which are represented correctly are


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The concentration dependence of the rate of a reaction is called the differential rate equation. It is not always convenient to determine the instantaneous rate, as it is measured by calculating the slope of the tangent at point 't' in the concentration vs time plot. This makes it difficult to determine the rate and hence the order of the reaction. This difficulty is overcome by integrating the differential rate equation. This integrated rate equation gives a direct relation between concentrations at different times and the rate constant. The integrated rate equations are different for the reactions having different reaction orders.
For an integrated first order reaction, a straight line graph is plotted. The incorrect co-ordinates and resulting slope of the graph are

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Adsorption is the phenomenon of attracting and retaining the molecules of a substance on the surface of a solid resulting into a higher concentration on the surface than in the bulk. The substance adsorbed is known as adsorbate and the substance on which adsorption takes place is called adsorbent. In physisorption adsorbate is held to the adsorbent by weak van der Waals forces and in chemisorption by strong chemical bond.
Argyrol is a medicine used for

A cell of emf E and internal resistance r gives current of 0.5 A with external resistance of 12 \(\Omega\) and a current of 0.25 A with an external resistance 25 \(\Omega\). What is the value of internal resistance?

If focal length of a concave lens is 50 cm, then the power of the lens would be

A wire has a resistance of \( 2.1 \, \Omega \) at \( 25^\circ \text{C} \) and a resistance of \( 2.8 \, \Omega \) at \( 100^\circ \text{C} \). The temperature coefficient of the resistance is :

In a circuit where current 31 enters at \(A\), with semicircular sections \(A B C\) and \(A D C\) of equal radii r , resistances 2 R and R respectively, the magnetic field at the center is :

The general solution of the differential equation \(\left(1+e^x\right) d y+y e^x d x=0\), where \(y>0\), is

The compounds\([\text{CuSO}_4(\text{NH}_3)_2]\text{Br}_2\)and\([\text{Cu}(\text{NH}_3)_2\text{Br}_2]\text{SO}_4\) are: