A.FeS and Fe2S3
B.Organic sulphates and -SH
C.Soluble inorganic sulphates
D.All of these
Related Mcqs:
- Soil formed-after leaching and rich in Al and Fe is?
- Mark the correct statement with reference to phosphorous cycle:
- Sedimentary rocks are formed by the process of:
- Rocks which are formed by the solidification of lava, are:
- Chlorophyll is a/an _____ molecule??
- The earliest rocks formed on the earth’s surface are
- When softer rocks are’ eroded by sea water _____ are formed:
- When harder rocks are eroded by sea water ______ are formed:
- When softer rocks are eroded by sea water _____ are formed:
- Co-enzyme is often formed from ??
