Questions

____ is the most electropositive and ___ is the most electronegative element of the third period of modern periodic table.

Manganite is an ore/mineral of

Metals react with sodium hydroxide to produce ___________.

In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?

Which formula correctly describes productivity?

____________________is a measure of the actual amount of water vapour in a particular sample of air: measured as a partial pressure.

Which among the given options is IBMs Supercomputer?

___________ is the most ecologically relevant environmental factor.