Which metal is extracted from sea water?
A. Potassium
B. Magnesium
C. Aluminum
D. None of these
A. Potassium
B. Magnesium
C. Aluminum
D. None of these
A. Sitting position
B. Standing Position
C. Lying Position
D. None of these
A. Phosphorus
B. Antimony
C. Arsenic
D. Aluminum
A. Toluene
B. Phenol
C. Propane
D. None of these
A. –89.2 °C
B. –86.2 °C
C. –83.2 °C
D. –92.2 °C
A. calcium sulphate
B. phosphoric sulphate
C. Calcium sulphate
D. None of these
A. Brain
B. Spinal cord
C. Larynx
D. Eye
A. Propane
B. Vinyl chloride
C. Styrene
D. None of these
A. methane
B. ethane
C. hydrogen
D. butane
A. 5th
B. 4th
C. 3rd
D. None of these