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

The impurities such as soil and sand associated with ore are called
The valency of an element belonging to VA group of the modern periodic table is
Which of the following quantum numbers increases down the group in the modern periodic table?
When a metal atom forms ionic bond with a non-metal atom, the metal atom will
Which of the following are called lanthanoids?
How many elements are present in 3rd period of the modern periodic table?
Which of the following is a noble gas ?
If the valency of sodium is 1 and oxygen is 2, then the formula of compound formed between sodium and oxygen is
lonic bond is formed due to which of the following?
Maximum number of electrons held by p-orbital is
The electronic configuration of an element is based on
In which of the following, elements are arranged in ascending order of their atomic numbers?
The nature of non-metal oxide is
Principal quantum number (n) is represented with
Which of the following properties was explained by Bohr's atomic model?
Which of the following quantum numbers can't have zero value?
Which of the following properties is used in the olfactory indicator?
An antacid is
When Na2CO3 reacts with an acid, which of the following gases is evolved?
What happens when litmus paper test is performed with an acid?
Which one of the following compound hydrocarbons can show isomerism?
The molecular formula of cyclopentane is
The chemical equation BaCl2 + Na2SO4→BaSO 4 + 2NaCl is an example for which type of the following chemical reactions? 
The chemical name of baking soda is
The names of the sub-shells present in M shell (n= 3) are