How many such pairs of letter are there in the word POPULAR, each of which has as many letters between them in the word as in the English alphabet?
PO, OP, RU and LO
Manganite is an ore/mineral of
The gas usually causing explosions in coal mines is-
Who developed Hydrogen Bomb?
Which of the following is an iron ore ?
What happens to the weight of Iron, when it rusts?
Which mineral is the ore Of aluminium?
Electric bulbs are filled with :
The major component of honey is-
