List of top Questions asked in AP POLYCET

The value of x in the following chemical reaction is
\(C_3H_8 + xO_2 \rightarrow YCO_2 + zH_2O\)

The length, breadth and height of a room are 10 m, 10√2 m and 10 m respectively. The angle of elevation of a top corner of room from any point on a diagonal of the base of the room is

The refractive index of glass with respect to air is 2. The critical angle at their interface i

The rule which describes the electron distribution in degenerate orbitals of an atom is

The possible I values for a given n value are

Which of the following set of quantum numbers is not correct?

The correct order of energies for the electromagnetic spectrum is

The Quantum mechanical model of atom was proposed by

Which of the following is an example of acid?

Electrolysis of aqueous NaCl solution produces

The chemical name of plaster of Paris is

The colour of methyl orange indicator in HCl is

Which of the following is an example for neutralization reaction?

The tarnishing of silver spoon in presence of moisture is due to formation of

One mole of \(H_2\) gas contains how many molecules? 

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 organic compound with R---- COO-----R' functional group is prepared from

For extraction of highly reactive metal compounds from their ores, some impurities are added during the electrolysis process. The role of impurity is

The IUPAC name of

The first synthesized organic compound in laboratory is

Electronic configuration of C in its exited state is

Heating of carbonate ore in absence of air is called

Which of the following metals is least reactive?

Match the following

a	Haematite	i	\(HgS\)
b	Cinnabar	ii	\(Fe_3O_4\)
c	Hornsilver	iii	\(Fe_2O_3\)
d	Magnetite	iv	\(AgCl\)

The bond angle in H₂O molecule is HO