Question 1 :
A saturated hydrocarbon is shown by ${ C }_{ n }{ H }_{ 20 }$ . The value of $n$ in this compound is:<br/>
Question 3 :
............. don't conduct electricity indicating that they do not form ions
Question 6 :
The most common reactions of homologous series increase the number of :
Question 8 :
When 2 hydrogen atoms combine to form $H_2$ molecule, the system ______ .
Question 9 :
Compounds of carbon and hydrogen which form long chains or branched chains are:
Question 11 :
Methane, ethane and propane are said to form a homologous series because all are:<br/>
Question 16 :
Hydrocarbons are the organic compounds that contain the elements _______ and ________.
Question 17 :
How many carbon atoms are present in a molecule of nonane?
Question 20 :
The carbon atoms in diamond are bonded to each other by:
Question 24 :
The formation of chains by atoms of the same element is known as:
Question 25 :
Which of the following system has maximum number of unpaired electrons?
Question 30 :
Which of the following is the true statement for carbon atoms :<br/>
Question 32 :
Statement I: Water is a polar molecule.<br/>Statement II:  Water has polar covalent bonds.<br/>
Question 38 :
Water which gives lather with soap easily is called as hard water.<br/>
Question 40 :
<p>Which out of the following has smell similar to that of vinegar?</p>
Question 44 :
The phenomenon of existence of an element in more than one physical form is called allotropy.<br/>
Question 45 :
Which of the following is not an allotropic form of carbon?
Question 47 :
The first three members of a homologous series are $CH_4, C_2H_6, C_3H_8$ the fifth member of his series will be: