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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Vaibhav Singh posted an Question
August 26, 2021 • 14:20 pm
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30 points
30 points
- IIT JAM
- Geology (GG)
281. meltingg points of minerals: a increase with pressure b. decrease with pressure c. do not change with change in pressure d. increases with increase in wate
281. Meltingg points of minerals: A Increase with pressure B. Decrease with pressure C. Do not change with change in pressure D. Increases with increase in water content (DU-2014)
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Saurabh 1 Best Answer
Specifically talking about last option, melting point will never increase when you have started adding some water or increasing water content. Water is usually used as an agent to decrease viscosity as well as melting temperature. Pressure, we already know that it has probable impact on the melting points of the minerals. Increased pressure raises the melting temperature, so obviously melting is less likely to occur at higher pressures. Most probably correct answer should be -- A. Increase in pressure-- Increase in melting point and hence less chances of melting at very high pressures.