Red leaf in cotton is caused due to deficiency
Red leaf disorder in cotton is caused due to deficiency of Magnesium and American is more susceptible to this disorder. In this leaf turn red and roll down ward and veins remain green
The element used in the manufacture of safety matches is —
One of the constituents of tear gas is
Milk tastes sour when kept in the open for sometimes due to the formation of-
The important ore of aluminium is-
The major component of honey is-
The absolute value of the charge on electron was determined by-
The important ore of aluminium is-
Petroleum is a mixture of-
The chemical name of'Common salt’
The gas used for filling weather balloons is-
