Which one of the following elements forms highest number of compounds?
[amp_mcq option1=”Oxygen” option2=”Hydrogen” option3=”Chlorine” option4=”Carbon” correct=”option4″]
This question was previously asked in
UPSC NDA-1 – 2017
Which one of the following elements forms highest number of compounds?
[amp_mcq option1=”Oxygen” option2=”Hydrogen” option3=”Chlorine” option4=”Carbon” correct=”option4″]