A. Silicon
B. Phosphorous
C. Iron
D. Metal
A. Impure
B. Pure
C. None of these
A. Physical
B. Chemical
C. Both ‘a’ and ‘b’
D. None of these
A. Chemical
B. Physical
A. Compound
B. Molecule
C. Mixture
D. Ion
A. Mixtures
B. Molecules
C. Compounds
D. Ions
A. Zinc
B. Copper
A. Compounds
B. Mixtures
C. Molecules
D. Substances
A. 10%
B. 9%
C. 0.9%
D. 11%
A. Maintain
B. Lose
A. Lesser
B. More
C. Increase
A. Fractional distillation
B. Chromatography
C. Filtration
A. Oxygen
B. Nitrogen
C. Carbon dioxide
B. Carbon dioxide
C. Nitrogen
D. All of the above
A. Soluble
B. Insoluble
A. Chromatography
B. Filtration
C. Distillation
A. Filtrate
B. Residue
D.None of these
A. Filtration
B. Sublimation
A. Distillation
D. Chromatography