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

As per Moeller chart, the correct ascending order of their energies of the following orbitals is
Which one of the following types of medicine is used for treating indigestion?
The number of water molecules present in one formula unit of gypsum is
The colour of methyl orange in alkaline medium (basic) is
Which one of the following layers of a metallic compound can be formed on electric wire as insulator during rainy season and causes the power supply to our home from the electric pole to be interrupted?
The volume occupied by 10 grams of hydrogen gas at STP is
CH3COOH is an organic
A thin layer of 'X' metal is used as galvanizing on iron surface to protect from rusting of iron. The name of X metal is
The IUPAC name of the compound CH3---CH2--CH=CH2 is
C2H5OH on oxidation with alkaline KMnO4 gives the compound A, which on further oxidation gives the compound B. The names of A, B respectively are
The most suitable method for concentration of sulphide ore is
Graphite is a good conductor of electricity because of
The name of complex ion formed when Ag2S is dissolved in KCN solution is
An element \(\\_{12} M^{24} \) forms ionic compound with another element 'Y. Then the charge on the ion formed by M is 
The covalent bonds present in nitrogen molecule are
The shape of methane molecule is
Which of the molecules has highest bond length ('A')?
The type of hybrid orbital exist at Be atom in BeCl2 is
Match the following :
Ore  Formula
AFe3O4IMagnesite 
BMgCO3IIMagnetite
CZnSIIICinnabar
DHg2SIVZinc Blende
The non-metal present in IVA (carbon family) is
The element with highest electron affinity value among halogens is
The maximum number of electrons that can be accommodated in the shell of an atom is
If the atomic weights of lithium and potassium respectively are 7 and 39, then the atomic weight of sodium as per Dobereiner's law of triads is
The correct order of electronegativity values of the following elements is
The number of elements present in period 4th of long form of periodic table are