Question

Which of the following method is represented by the diagram given below_________

(a) Bridgeman method

(b) Stockbarger method

(c) Hydrothermal method

(d) Zone melting method

I had been asked this question in an online quiz.

I would like to ask this question from High Pressure and Hydrothermal Methods topic in division Preparative Methods of Solid State Chemistry

Answer 1

Right choice is (c) Hydrothermal method

Easiest explanation: The design for hydrothermal method is a tube of steel, closed at one end. The other end has a screw cap with a gasket of soft copper to provide a seal Alternatively, the ‘bomb’ may be connected directly to an independent pressure source, such as a hydraulic ram.