The sulphites are a mineral group that contain one or more metallic elements in combination with the sulphate compound ____
A. SO3
B. SO2
C. SO4
D. SO
Answer: Option C
A. SO3
B. SO2
C. SO4
D. SO
Answer: Option C
Yokohama and Kobe are the main centres of ship building industry in:
A. Japan
B. South Korea
C. North Korea
D. China
A. Central America and Pacific Plate.
B. North America and Pacific Plate.
C. South America and Pacific Plate.
D. None of Above.
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