Chemical Process
Refractory bricks burnt at very high temperature have got

Greater resistance to corrosion by slags
Less resistance to corrosion by slags
None of these
High spalling tendency

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Chemical Process
Comparing sulphate process with sulphite process, we find that __________ in the later.

Pressure is more in the former whereas temperature is less
Both temperature & pressure in the former is less than that
Both temperature & pressure in the former is more than that
Temperature is more in the former whereas pressure is more

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