[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Hindu Achievements in Exact Science: A Study in the History of Scientific Development](https://indike.org/pramana/ins.science.sarkar-1918) › c16.11 # Hindu Achievements in Exact Science: A Study in the History of Scientific Development c16.11 Hindu Achievements in Exact Science: A Study in the History of Scientific Development c16.11 - **Language:** English ### [c16.11](https://indike.org/pramana/ins.science.sarkar-1918.c16.11) (\*a\*) In the preparation of \> (1) Perchloride of mercury; \> (2) Sulphide of mercury; \> (3) Vermilion from lead, etc. (\*b\*) In the extraction of \> (1) Copper from sulphate of copper; \> (2) Zinc from calamine; \> (3) Copper from pyrites, etc. - [Previous: c16.10](https://indike.org/pramana/ins.science.sarkar-1918.c16.10) - [Next: c16.12](https://indike.org/pramana/ins.science.sarkar-1918.c16.12) - [Up: c16](https://indike.org/pramana/ins.science.sarkar-1918.c16) --- Source: [https://indike.org/pramana/ins.science.sarkar-1918.c16.11](https://indike.org/pramana/ins.science.sarkar-1918.c16.11) · Pramāṇa