List of top Chemistry Questions

Which one of the following types of medicine is used for treating indigestion?
The colour of methyl orange in alkaline medium (basic) is
The chemical name of baking soda is
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
CH3COOH is an organic
Which one of the following compound hydrocarbons can show isomerism?
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 IUPAC name of the compound CH3---CH2--CH=CH2 is
The molecular formula of cyclopentane is
Graphite is a good conductor of electricity because of
The name of complex ion formed when Ag2S is dissolved in KCN solution is
The most suitable method for concentration of sulphide ore is
Match the following :
Ore  Formula
AFe3O4IMagnesite 
BMgCO3IIMagnetite
CZnSIIICinnabar
DHg2SIVZinc Blende
Which of the molecules has highest bond length ('A')?
The shape of methane molecule is
The type of hybrid orbital exist at Be atom in BeCl2 is
The covalent bonds present in nitrogen molecule are
An element \(\\_{12} M^{24} \) forms ionic compound with another element 'Y. Then the charge on the ion formed by M is 
The element with highest electron affinity value among halogens is
The non-metal present in IVA (carbon family) is
The number of elements present in period 4th of long form of periodic table are
The correct order of electronegativity values of the following elements 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 maximum number of electrons that can be accommodated in the shell of an atom is
prologed exposure of chloroform in humans many cause damage to liver. it is due to the formation of following compound