List of top Chemistry Questions asked in AP ECET

A cation vacancy and an anion vacancy in a crystal of type AB is called
The number of atoms per unit cell in FCC is
The monomer involved in the formation of polystyrene is
We can overcome the undesirable properties of natural rubber by heating natural rubber with
Liquefied petroleum gas (LPG) mainly contains
Greenhouse effect is caused by
Which compound is mainly responsible for the depletion of ozone layer?
What is the degree of hardness in ppm of a sample containing \(19\text{ mg}\) of \(MgCl_2\) molecular weight \(=95\) in \(2\text{ kg}\) water sample? Express it in terms of equivalents of \(CaCO_3\).
Identify the pair of chlorides responsible for permanent hardness of water.
In the removal of permanent hardness of water by permutit process, \(Na^+\) ions of permutit are exchanged with which ions of water?
Which of the following is not a co-polymer?
The cell formed in bent pipes is an example of
Tarnishing of silver is due to formation of
The amount of silver in mg deposited when \(9.65\) coulombs of electricity is passed through an aqueous solution of silver nitrate is \(\left(Ag=108u,\ 1F=96500\text{ C mol}^{-1}\right)\)
The standard electrode potentials of Zn, Ag and Cu are \(-0.76\), \(+0.80\) and \(+0.34\text{ V}\) respectively. Identify the correct statement from the following.
\(3\times10^{22}\) molecules of \(Na_2CO_3\) molecular weight \(=106\) present in \(500\text{ ml}\) of solution. The normality of the solution formed is \(\left(N=6\times10^{23}\text{ mol}^{-1}\right)\)
Identify the pair containing only Lewis acids.
\(4\text{ g}\) of NaOH is dissolved in \(1.0\text{ L}\) solution. The pH of solution is
Aqueous solution of which of the following does not act as electrolyte?
Number of coulombs corresponding to \(1\text{ mol}\) of electrons approximately is equal to
In which of the molecules lone pair, bond pair of electrons ratio is \(2:3\)?
Consider the elements with atomic numbers \(Z=8,9,11,19\) and \(20\). The number of ionic compounds possible with the elements having these atomic numbers is
If \(n,l,m\) and \(s\) represent the symbols of quantum numbers, the impossible quantum number set for the electron in terms of \(n,l,m\) and \(s\) respectively is
How many moles of urea is present in \(250\text{ ml}\) of \(0.2M\) solution of it?
\(x\text{ ml}\) of \(0.1M\) NaOH solution is diluted with distilled water to get \(250\text{ ml}\) of \(0.01M\) solution. The value of \(x\) in ml is