List of top Questions asked in Andhra Pradesh Polytechnic Common Entrance Test

If the points A(5, 3), B(8, 5), C(x, y) and D(7, 2) are consecutive vertices of a parallelogram then (x, y) = A(5, 3), B(8, 5), C(x, y)=
The possible I values for a given n value are
The Quantum mechanical model of atom was proposed by
The rule which describes the electron distribution in degenerate orbitals of an atom is
Which of the following set of quantum numbers is not correct?
The correct order of energies for the electromagnetic spectrum is
The tarnishing of silver spoon in presence of moisture is due to formation of
Which of the following is an example for neutralization reaction?
Which of the following is an example of acid?
One mole of\(H_2\) gas contains how many molecules? 
The chemical name of plaster of Paris is
The colour of methyl orange indicator in HCl is
Electrolysis of aqueous NaCl solution produces
For extraction of highly reactive metal compounds from their ores, some impurities are added during the electrolysis process. The role of impurity is
The value of x in the following chemical reaction is
\(C_3H_8 + xO_2 \rightarrow YCO_2 + zH_2O\)
Lead nitrate on reaction with potassium iodide gives yellow precipitate. The yellow color is due to
\(Pb(NO_3)_2 + 2KI \rightarrow PbI_2 + 2KNO_3\)
The first synthesized organic compound in laboratory is
The IUPAC name of IUPAC name
Electronic configuration of C in its exited state is
The organic compound with R---- COO-----R' functional group is prepared from
The shape of molecule with 4 bond pairs and zero lone pair is 4
Which of the following metals is least reactive?
Heating of carbonate ore in absence of air is called
Match the following
aHaematitei\(HgS\)
bCinnabarii\(Fe_3O_4\)
cHornsilveriii\(Fe_2O_3\)
dMagnetiteiv\(AgCl\)
'Sigma bond' is formed by