List of top Chemistry Questions asked in Common Entrance Test Delhi Polytechnic

What happens; When dilute 'HCl' is added to granulated 'Zn' ?
A Solution reacts with egg-shell to give CO$_2$ gas, the Solution contains :
A Solution turns blue Litmus red, its pH is likely to be :
Bleaching Powder is mixed in drinking water. Why?
What is the formula of plaster of Paris?
Which metals are kept in kerosene?
Rutherford's alpha-particle scattering experiment was responsible for the discovery of:
In which conditions rusting of iron takes place in presence of:
The atomic number of an element is the same as the number of :
Rancidity is due to oxidation of:
The reaction $ \text{CuSO_4 + \text{Zn} \rightarrow \text{ZnSO}_4 + \text{Cu} $ is an example of a:}
FeSO$_4$ decomposes on heating into :
Propane, with the molecular formula C$_3$H$_8$ has :
Two successive compounds, having same functional group. They have a difference of :
Formula of Carboxylic group is :
Triads rule was given by:
Which element has '2, 8, 1' Electronic configuration?
Mendeleev's Modren periodic law is based on :
"Tyndall effect" will be shown by which of the following ?
The formula of Calcium Carbonate is :
Choose the correct relationship: molar mass - common name - chemical formula from the following options.
What is the mass of $ 0.5 $ mole of oxygen atoms?
The Avogadro constant $6.022140857 \times 10^{23$ is defined as the number of atoms present in exactly 12 g of ..........}
The Law of Conservation of Mass-During a chemical reaction ____ .

Composition of the nuclei of two atomic species A and B are given as under :

Choose the correct relationship between A and B ?