List of practice Questions

The orbital with more penetration power towards nucleus is
The electronic configuration of an element is 2, 8, 6. Which one of the following element is chemically similar to the above element?
4f elements are called as
Which of the following pair of atomic numbers indicates the s-block elements?
The element which belongs to 3rd period and 14th group in Modern periodic table is
Which is the least electronegative element among the following?
\(A Na+BHO→ C NaOH + DH2,\) in this equation the values of \(A, B, C \) and \(D\) are 
Identify the salt in the following.
Compound formed when excess \(CO_2\) is passed through lime water
Solution with pH less than 7 is
In endothermic reaction, heat is
One mole of Propane (C3H8) on combustion given 'x' kilo joules at STP. Heat liberated by the combustion of 11.2 litres of Propane at STP in kilo joules is
Which one of the following metal occurs in the native form?
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 an acidic flux among the following.
The carbonate ore among the following is
Washing Soda is used in ____ .
Maximum number of electrons present in an orbital of atom is
Bases can give _____ ions in water.
External fertilization is observed in ____ .
The structural and functional unit of nervous system is ____ .
____ serves as a shock-absorbing medium and protects the brain against shocks/jerks along with the meninges and cranium.
____ are fat soluble vitamins.