Which of the following Delhi sultans introduced two coins, namely silver tanka and copper jital?
Qutbuddin Aibak
Bahlul Lodi
Ghiyasuddin Balban
Iltutmish
D. Iltutmish
Name the straight chain alkane having chemical formula C9H20, which is used as a research chemical and in making biodegradable detergents.
Nonane
Dodecane
Nonadecane
Icosane
A. Nonane