P lives on floor number five. Three person lives between P and G. G live above P. Not more than thirteen floors are there in g building. More than five persons lives between P and L and L does not live on the top floor. X lives immediate above L. 
Four person lives between R and X. Three persons lives between R and Z. As many as persons lives below Z is same as lives above M. Two persons lives between Z and Y, who does not live immediate above or below of R. 
Manganite is an ore/mineral of
The acid used in lead storage cells is-
Petroleum is a mixture of-
The most reactive among the halogens is-
The pH of a neutral solution is —
The noble gas used in radiotherapy is
The chemical name of'Common salt’
___________ is the process in which acids and bases react to form salts and water.
Which one amongst the following is not a Green House gas?
The fuel that is used in modern submarines is -
