[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v2.c34.199 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.199 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.199 - **Language:** English ### [v2.c34.199](https://indike.org/pramana/ins.science.ray-1902.v2.c34.199) Charaka points out that the primary qualities or specific physical characters of the five Bhútas are tactile qualities, \*i. e.\* sensible to touch, \*e. g.\* hardness (or roughness) for Earth, liquidity (or yielding to pressure) for Ap, impelling or moving force (pressure) for Váyu, heat for Tejas, and Vacuum (non-resistance, penetrability) for Ákása. - [Previous: v2.c34.198](https://indike.org/pramana/ins.science.ray-1902.v2.c34.198) - [Next: v2.c34.200](https://indike.org/pramana/ins.science.ray-1902.v2.c34.200) - [Up: v2.c34](https://indike.org/pramana/ins.science.ray-1902.v2.c34) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c34.199](https://indike.org/pramana/ins.science.ray-1902.v2.c34.199) · Pramāṇa