A. Z B. T C. Tn D. W 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”.
A. PbCrO4 B. PbI2 C. As2Cr2O7 D. BaCrO4
A. K2Cr2O7 B. H2SO4 C. SO3 D. P2O5
A. 0.12g B. 0.16g C. 0.18g D. 0.24g
A. 0.065gm B. 0.65gm C. 6.5gm D. 7.5gm
A. CuS B. CdS C. PbS D. AgCl
A. Sodium hexadecanoate B. Sodium octadecanoate C. Sodium pentadecanoate D. Both A & B
A. Azolo B. Azine C. Azolidins D. Diazine
A. 2 B. 4 C. 7 D.16