List of top Chemistry Questions asked in KCET

A precipitate of $AgCl$ is formed when equal volumes of the following are mixed. $[K_S\, for\, AgCl = 10^{-10}]$
The standard electrode potential is measured by
Gold is extracted by hydrometallurgical process, based on its property
Which of the particles cannot be accelerated?
The rate at which a substance reacts depends on its
In blast furnace iron oxide is reduced by
A buffer solution has equal volumes of $0.2M \, NH_4OH$ and $0.02\, M \, NH_4 Cl$. The $p^{kb}$ of the base is $5$. The $pH$ is
Alum is a water purifier because it
A radioactive isotope has a half life of $10$ days. If today $125$ mg is left over, what was its original weight $40$ days earlier ?
Ethyl chloride on heating with $AgCN$, forms a compound $'X'$ . The functional isomer of $'X'$ is -
Which of the following pairs of elements cannot form an alloy ?
Which compound is zero valent metal complex ?
Which of these does not influence the rate of reaction?
Sucrose molecule is made up of
$15 $ moles of $H_2$ and $5.2$ moles of $I_2$ are mixed and allowed to attain equilibrium at $500^\circ$C. At equilibrium, the concentration of $HI$ is found to be $10$ moles. The equilibrium constant for the formation of $HI$ is
Molarity of $0.2 \, NH_2SO_4$ is
An atom of an element $A$ has three electrons in its outermost orbit and that of $B$ has six electrons in its outermost orbit. The formula of the compound between these two will be
An emulsifier is a substance which
When a mixture of methane and oxygen is passed through heated molybdenum oxide, the main product formed is :
The reaction,$2SO_{2(g)} + O_{2(g)} \leftrightharpoons 2SO_{3(g)}$ is carried out in a $1\, dm^3$ vessel and $2 \,dm^3$ vessel separately. The ratio of the reaction velocities will be :
The chemical equilibrium of a reversible reaction is not influenced by :
The metal which does not form ammonium nitrate by reaction with dilute nitric acid is :
In a galvanic cell, the electrons flow from :
In a mixture of acetic acid and sodium acetate the ratio of concentrations of the salt to the acid is increased ten times. Then the pH of the solution :
2 - Acetoxy benzoic acid is used as an :