List of top Chemistry Questions asked in TS POLYCET

The orbital with more penetration power towards nucleus is
The more reactive metal in the activity series is
Which of the following process is used for the purification of crude metal?
Which of the following is a non metal?
Identify the salt in the following.
The electronic configuration of an element is 2, 8, 6. Which one of the following element is chemically similar to the above element?
The carbonate ore among the following is
Which of the following pair of atomic numbers indicates the s-block elements?
Maximum number of electrons present in an orbital of atom is
4f elements are called as
Solution with pH less than 7 is
Four quantum numbers of valence electron of sodium
Mixing acid to water is
Bleaching Powder is formed from
Colour of anhydrous \(CuSO_4\) is
The total number of atomic orbitals in third shell of an atom
The classification of elements which is based on atomic number is
Which of the following electronic configuration violating Hund's rule ?
Order of energy of orbitals
Which one of the following electromagnetic radiation has more frequency?
How many s-block and p-block elements are there in the second period of the modern periodic table ?
In the modern periodic table group 2 (IIA) elements are called as
Which of the following has highest mass ?
The valency of Calcium is
When the equation,\(\text{Na} + \text{H}_2\text{O} \rightarrow \text{NaOH} + \text{H}_2\) is balanced,what is the coefficient for 'Na' ?