Parke’s process is used in the extraction of________?
Parke’s process is used in the extraction of________?
A. Iron
B. Sodium
C. Silver
D. Zinc
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The central atom along with ligands is called____________________?
The central atom along with ligands is called____________________?A. complex ion
B. coordination sphere
C. ligand
D. complex compoundWhich of the following unit of concentration is independent of temperature ?
Which of the following unit of concentration is independent of temperature ?A. Molarity
B. Molality
C. Mole fraction
D. allThe density of a gas is 1.964 g dm-3 at 273 K and 76 cm Hg. The gas is _________?
The density of a gas is 1.964 g dm-3 at 273 K and 76 cm Hg. The gas is _________?A. CH4
B. CO2
C. C2H4
D. XeFormula of Galena is________?
Formula of Galena is________?A. PbS
B. HgS
C. AS2S3
D. FeS2Which of the following is most soluble on water?
Which of the following is most soluble on water?A. BaSO4
B. SrSO4
C. CaSO4
D. MgSO4Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?
Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?
A. ionic substances
B. metallic substances
C. molecular solids
D. covalent network solids