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

The electronic configuration of element 'S' is
Which of the following periodic classifications is not based on the atomic weights of elements?
Which among the following is a non-metal?
The maximum number of electrons that can be accommodated in a subshell with angular momentum quantum number l is
Which of the following electromagnetic waves has highest velocity?
Which of the following quantum numbers gives information about orientation of orbital?
In the equation given below, 100 g of CaCO3 and 73 g of HCl are used to prepare 18 g of H2O. If 300 g of CaCO3 and 146 g of HCl are used, then how many grams of H2O is produced?
CaCO3 + 2HCl → CaCl2 + H2O+CO2
Which of the following can't be used as X in the equation given below?
Acid + X Salt + CO2 + Water
Who among the following did not propose atomic model?
Which of the following metal liberates H2 gas on reaction with NaOH?
What is the pH of the salt formed from weak acid and strong base?
Which of the following is/are used to detect acidic or basic nature of a solution?
Which of the following is not a chemical process?
If Q is the heat energy, determine the nature of the reaction in the following equation :
What is the value of X in the following balanced equation?
 YH2+O2 → XH2O
Hydrocarbons that contain only single bonds between the carbon atoms are called
For hydrocarbons, if the molecular formula increases, then melting point
In hydrocarbons, which type of bonds does carbon form?
The hydrocarbons containing —CONH2 functional group are called CONH)
The ability of an element to form the longest chain with its own atoms is called as
The spot at which corrosion occurs on the surface of an iron material, behaves as
Which of the following minerals contains manganese?
Which of the following methods is used to prevent corrosion?
In nature, gold metal is available in free state(native), because
Triple bond between nitrogen atoms in N2 molecule contains