List of top Chemistry Questions asked in AP ECET Agricultural Engg

Which compound is mainly responsible for the depletion of ozone layer?
Greenhouse effect is caused by
Liquefied petroleum gas (LPG) mainly contains
We can remove the undesirable properties of natural rubber by heating natural rubber with
The monomer involved in the formation of polystyrene is
Which of the following is not a co-polymer?
Tarnishing of silver is due to formation of
The cell formed in bent pipes is an example of
Identify the pair of chlorides responsible for permanent hardness of water.
What is the degree of hardness in ppm of a sample containing \(19\) mg of \(MgCl_2\) \((\text{Molecular Weight}=95)\) in \(2\) kg water sample? Express it in terms of equivalents of \(CaCO_3\).
In the removal of permanent hardness of water by permutit process, \(Na^+\) ions of permutit are exchanged with which ions of water?
The standard electrode potentials of Zn, Ag and Cu are \(-0.76\), \(+0.80\) and \(+0.34\) V respectively. Identify the correct statement from the following.
The amount of silver in mg deposited when \(9.65\) coulombs of electricity is passed through an aqueous solution of silver nitrate is \((Ag=108\,u,\ 1F=96500\,C\,mol^{-1})\)
Aqueous solution of which of the following does not act as electrolyte?
Number of coulombs corresponding to \(1\) mol of electrons approximately is equal to
\(4\) g of NaOH is dissolved in \(1.0\) L solution. The pH of solution is
Identify the pair containing only Lewis acids.
\(3\times 10^{22}\) molecules of \(Na_2CO_3\) \((\text{molecular weight}=106)\) are present in \(500\) ml of solution. The normality of the solution formed is \((N_A=6\times 10^{23}\,mol^{-1})\)
\(x\) ml of \(0.1\,M\) NaOH solution is diluted with distilled water to get \(250\) ml of \(0.01\,M\) solution. The value of \(x\) in ml is
How many moles of urea is present in \(250\) ml of \(0.2\,M\) solution of it?
In which of the molecules is the lone pair : bond pair of electrons ratio \(2:3\)?
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
The number of orbitals present in \(d\)-subshell is
The de Broglie wavelength associated with a particle of momentum \(p\) is