List of top Chemistry Questions asked in AP ECET Chemical Engg

The greatest industrial disaster leading to serious air pollution took place in Bhopal in the year \(1984\), where the extremely poisonous methyl isocyanide gas was accidentally released from Union Carbide's _ _ _ _ manufacturing plant.
Acid rain is caused by increase in the atmospheric concentration of
In a food chain of grass land ecosystem the top consumers are
Which of the following is not combustible?
Tooth paste is a
A bio-degradable detergent is one which
Which of the following terms of Vander Waals equation of state for a non-ideal gas accounts for intermolecular attraction forces?
The density of a gas \(X\) is twice that of another gas \(Y\). If the molecular weight of gas \(Y\) is \(M\), then the molecular weight of the gas \(X\) will be
Weight of \(56\) litres of chlorine gas at S.T.P. is _ _ _ _ g
Glass reacts with
Which of the following metal is the most prone to atmospheric corrosion?
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?