Question Text
Question 1 :
The phenomenon of existence of an element in more than one physical form is called allotropy.<br/>
Question 4 :
A saturated hydrocarbon is shown by ${ C }_{ n }{ H }_{ 20 }$ . The value of $n$ in this compound is:<br/>
Question 6 :
Which of the following system has maximum number of unpaired electrons?
Question 7 :
The formation of chains by atoms of the same element is known as:
Question 8 :
Statement I: Water is a polar molecule.<br/>Statement II:  Water has polar covalent bonds.<br/>
Question 9 :
Which of the following pairs are members of a Homologous series?
Question 10 :
Compounds of carbon and hydrogen which form long chains or branched chains are:
