Charley Horse
The correct answer is A
The most abundant constituent of atmospheric air is
When a spoon is to be electroplated with nickel the spoon is
Which gas is used for converting vegetable oils into saturated fats?
Which type of fire extinguisher is used for petroleum fire?
Which one of the following elements is used in the manufacture of fertilizers?
The electronic configuration of an atom having atomic number 20 is
The chief source of naphthalene is
Black lung disease occurs in people working in
The most reactive among the halogens is
Of the following which one pollutes the air of abig city?
