List of top Chemistry Questions asked in TS POLYCET

The orbital with more penetration power towards nucleus is
Which of the following pair of atomic numbers indicates the s-block elements?
Which of the following is a non metal?
Identify the salt in the following.
Which is the least electronegative element among the following?
Bases can give _____ ions in water.
The carbonate ore among the following is
In endothermic reaction, heat is
4f elements are called as
The electronic configuration of an element is 2, 8, 6. Which one of the following element is chemically similar to the above element?
Solution with pH less than 7 is
Four quantum numbers of valence electron of sodium
The total number of atomic orbitals in third shell of an atom
Colour of anhydrous \(CuSO_4\) is
Which one of the following electromagnetic radiation has more frequency?
The classification of elements which is based on atomic number is
Mixing acid to water is
Bleaching Powder is formed from
Which of the following electronic configuration violating Hund's rule ?
Order of energy of orbitals
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 ?
When the equation,\(\text{Na} + \text{H}_2\text{O} \rightarrow \text{NaOH} + \text{H}_2\) is balanced,what is the coefficient for 'Na' ?
The chemical reaction in which heat is absorbed is called