Producer gas consists mainly of________________________?
Producer gas consists mainly of________________________?
A. CO, CO2 N2, H2
B. CO, H2
C. H2, CH4
D. C2H2, CO2, H2
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Fusion of limestone and ______________ produces high alumina cement?
Fusion of limestone and ______________ produces high alumina cement?A. Sand
B. Bauxite
C. Quicklime
D. CalciteDrinking (potable) water treatment does not involve __________________?
Drinking (potable) water treatment does not involve __________________?A. Coagulation
B. Sedimentation
C. Softening
D. DisinfectionThermoplastic materials_____________________?
Thermoplastic materials_____________________?A. Do not soften on application of heat
B. Are heavily branched molecules
C. Are solvent insoluble
D. None of theseMain use of hydrazine is
Question: Main use of hydrazine is
[A].as a rocket fuel [B].
in water treatment [C].
as a disinfectant [D].
as fire retardant Answer: Option A
Explanation:
No answer description available for this question.
Fire clay is __________ refractory material.
Question: Fire clay is __________ refractory material.
[A].a basic [B].
an acidic [C].
a neutral [D].
not a Answer: Option B
Explanation:
No answer description available for this question.
Commonly used glass is known as the _______________ glass?
Commonly used glass is known as the _______________ glass?A. Flint
B. Hard
C. Pyrex
D. Soda