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CHEMICAL PROCESS

Chemical Process
Varnish does not contain

Thinner
Pigment
Both A & B
Neither A nor B

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Chemical Process
In the production of soda ash by Solvay process, the by-product is

NaOH
NH₃
CaCl₂
NH₄Cl

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Chemical Process
Use of water having dissolved oxygen in boilers promotes

None of these
Corrosion
Scale formation
Sequestration

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Chemical Process
Chrome tanning and vegetable tanning are done for

Light & heavy leather respectively
Neither light nor heavy leather
Heavy & light leather respectively
Both light & heavy leather

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Chemical Process
Refractory bricks burnt at very high temperature have got

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

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