What is Phostoxin?
Phostoxin is used extensively to control grain beetles in stored grain, both on farm and at the grain elevator.
The acid used in lead storage cells is-
Milk tastes sour when kept in the open for sometimes due to the formation of-
Petroleum is a mixture of-
The pH of a neutral solution is —
The most reactive among the halogens is-
The absolute value of the charge on electron was determined by-
The element used in the manufacture of safety matches is —
The gas used for filling weather balloons is-
The important ore of aluminium is-
Bronze is an alloy of-
