Stoichiometry Mcqs for Chemical


Q.  Dry air is a mixture of__________________?

a. Vapors
b. Gases
c. Both A. & B.
d. Neither A. nor B.


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The number of H+ in 1 c.c solution of pH 13 is__________________?
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MCQs:  Pick out the wrong statement?
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MCQs:  Pick out the wrong statement?
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MCQs:  Pick out the correct conversion?
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MCQs:  Pick out the wrong statement?
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MCQs:  Addition of zircon to silica refractory brick improves its_________________?
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MCQs:  Refractory bricks with lower permeability is produced by using _________________?
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MCQs:  Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except______________?
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MCQs:  Water content in ground refractory material to be shaped into bricks by hand moulding is about _____________ percent?
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MCQs:  Maximum alumina content in high alumina refractory can be as high as ____________ percent?
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MCQs:  Panel test determines the ______________ of refractories?
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MCQs:  Chemically, mullite refractories is________________?
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MCQs:  Presence of MgO in alumino-silicate refractories ______________ its refractoriness ?
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MCQs:  Hot metal runner in blast furnace are lined with ______________ bricks?
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MCQs:  Fireclay bricks are not used in the________________?
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MCQs:  High porosity refractory bricks have________________?
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MCQs:  Fireclay bricks are used in the______________?
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MCQs:  Fusion point of a basic refractory material is________________?
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MCQs:  Thermal diffusivity of a refractory brick is high, when its ______________ is high?
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MCQs:  With increase in the alumina content, the refractoriness of high alumina refractories_________________?
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