Correct answer
D. W
Explanation
Tungsten, or wolfram, is a chemical element with the symbol W and atomic number 74. The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, tung sten or “heavy stone”.
_____________ surfactants perform well over a wide range water hardness and PH?
Nucleic acids were first demonstrated in_________________?
Compounds of nitrogen and phosphorus are mostly________________?
The compounds in which water molecules are added are called_______________?
Steam causes more sever burn than the boiling water because it possesses _________________?
The use of antifreeze in the automobile radiator is an important application of__________________?