List of top Chemistry Questions

The most electronegative element in the periodic table is :
Alveoli and villi both increases :
In the periodic table the position of the element still uncertain is of :
Correct formula of sodium peroxide is :
Which of the following does not contain a carboxyl group : \(-COOH\)
Which among the following is the lightest particle :
Gold mines are located in India at :
Which of the following is used to make non-stick cookware :
Symbol of silver is :
General formula of an alkyne is :
Isotopes of an element have the same :
The molecular mass of \(\text{H}_2\text{SO}_4\) acid is :
Aquaregia contains 3 parts of concentrated HCl and ____.
When Magnesium (Mg) burn in air, we get Magnesium ____ .
Bleaching powder is obtained by passing chlorine over :
An ant sting contains :
Red litmus paper turns blue in the solution the pH can be :
Which among the following is an insulator :
Dry ice on heating produces :
During evaporation particles of a liquid change into vapour :
The process of evaporation causes :
How many electrons, protons and neutrons are present in Y\(^+\), if atomic number of Y is 19 and mass number of Y is 39 :
If K, L, M, N shells of an atom are full, the total number of electrons in that atom are :
Name the element whose M-Shell has 2 electrons :
At higher altitude the boiling point of liquid :