In which of the following comp. H atom is directly linked with phosphorus
Assetion : There are different types of wood on the basisi of their comp[osition and time of production Reason: The wood is actually a secondary xylem.
while comping out from a dark room into bright light we are not able to see for some time. This occurs due to
A compound BA_2 " has " K_(sp)=4xx10^(-12) solubility of this comp. will be :
Name the black substance of pencil will the current flow through the electrical circuit when we use the sharppened ends of the pecil to comp[lete the circute ?