Question: Fat dispersed in water is exemplified by
[A].colloids
gel
butter
emulsion
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Chemical Engineering
Ore concentration by froth floatation utilises the __________ of ore particles.
Question: Ore concentration by froth floatation utilises the __________ of ore particles.
[A].density difference
wetting characteristics
terminal velocities
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Addition of calcium oxide to water produces
Question: Addition of calcium oxide to water produces
[A].exothermic heat
hissing sound
slaked lime
all (a), (b) & (c)
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Favourable conditions for the liquefaction of gases in general are
Question: Favourable conditions for the liquefaction of gases in general are
[A].high pressure & low temperature.
low pressure & high temperature.
high pressure & high temperature.
low pressure & low temperature.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Cement setting under water employs a/an __________ process.
Question: Cement setting under water employs a/an __________ process.
[A].hydration
decomposition
oxidation
reduction
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Main constituents of portland cement are calcium aluminate and
Question: Main constituents of portland cement are calcium aluminate and
[A].gypsum
silicates
sodium silicate
carbonates
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
__________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.
Question: __________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.
[A].Bauxite
Limestone
Quartz
Manganese
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A mineral is termed as ‘ore’, if
Question: A mineral is termed as ‘ore’, if
[A].a metal can be economically extracted from it.
it contains ≥ 40% metal.
the metal present in it is costly.
all (a), (b) and (c).
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Glass is
Question: Glass is
[A].mainly CaO
subjected to galvanising
a super cooled liquid
all (a), (b) and (c)
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Main constituent of dolomite is
Question: Main constituent of dolomite is
[A].CaCO3
MgCO3
K2CO3
Na2CO3
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.