Question Text
Question 1 :
Whose name is associated with the development of periodic table ?
Question 5 :
The most significant contribution towards the development of periodic table was made by:<br/>
Question 6 :
The law used by Newlands to arrange elements is known as <span>Newlands Law of Octave</span> .<br/>
Question 9 :
Cl, Br, I follows Dobereiner's triads, the atomic masses of Cl and I are 35.5 and 127 respectively. The atomic mass of Br is : <br/>
Question 10 :
In Newland's classification, elements are arranged in an increasing order of their:
