List of top Questions asked in JKCET- 2010

Reaction between propene and $HCl$ to form iso-propyl chloride takes place through

In the extraction of copper, the copper matte is a mixture of

What is the maximum number of emission lines obtained when the excited electron of a hydrogen atom in $ n=5 $ drops to the ground state?

An object is projected so that its horizontal range $R$ is maximum. If the maximum height attained by the object is $H$, then the ratio of $R/H$ is

An object placed on an inclined plane starts sliding when the angle of incline becomes $30^{\circ}$. The coefficient of static friction between the object and the plane is

The colourless gas that turns brown in air is

The mobility of free electrons (charge = $e$, mass = $m$ and relaxation time = $ \tau $ .) in a metal is proportional to

The elastic energy stored per unit volume in a stretched wire is

The $d$ and $l$ enantiomers of an optically active compound differ in

Why do calcium ions makes water hard but sodium ion does not?

Formation of methyl tertiary butyl ether by the reaction of sodium tertiary butoxide and methyl bromide involves

If the radius of a nucleus of mass number $3$ is $R$ ,then the radius of a nucleus of mass number $81$ is

Faraday's constant is defined as

German silver is an alloy of

The complex $[CoF_{6}]^{4-}$ is

A Carnot cycle has the reversible processes in the following order

$IUPAC$ name of the complex $K_{3}\left[A l\left(C_{2} O_{4}\right)_{3}\right]$ is

Dual behaviour of matter was proposed by

Why do most chemical reaction rates increases rapidly as the temperature rises?

The pair of straight lines $ {{x}^{2}}-3{{y}^{2}}=0 $ and the line $ x=1 $ form a triangle which is

Ethyl alcohol cannot be used as a solvent for methyl magnesium iodide because

Compound that has smell of bitter almonds is

A can filed with water is revolved in a vertical circle of radius 4 m and the water does not fall down. The time period for a revolution is about

The crystal structure can be studied by using

Two springs of spring constants $k_{1}$ and $k_{2}$ are joined in series and a mass $m$ is attached to them as shown in figure. The time-period of oscillations of the springs is