Glass reacts with
Question: Glass reacts with
[A].
H2SO3
HF
HNO3
K2Cr2O7
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
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Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are
Question: Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are
[A].always greater than one. [B].
same at the same reduced temperature. [C].
same at the same reduced pressure. [D].
both(b) & (c). Answer: Option D
Explanation:
No answer description available for this question.
Limestone is added in the blast furnace (during pig iron manufacture) to
Question: Limestone is added in the blast furnace (during pig iron manufacture) to
[A].form slag by combining with impurities. [B].
supply heat by undergoing exothermic reaction with impurities. [C].
reduce the coke consumption. [D].
reduce slag viscosity. Answer: Option A
Explanation:
No answer description available for this question.
For equilibrium process (i.e. reversible) in an isolated system
Question: For equilibrium process (i.e. reversible) in an isolated system
[A].ds = 0 [B].
ds < 0 [C].
ds > 0 [D].
ds = Constant Answer: Option A
Explanation:
No answer description available for this question.
Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore ?
Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore ?A. High fusibility & fluidity
B. High thermal conductivity
C. Low density
D. High chemical activityHeat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an
Question: Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an
[A].blast furnace. [B].
steam boiler. [C].
salt bath furnace. [D].
annealing furnace. Answer: Option C
Explanation:
No answer description available for this question.
‘Fat’ coal means a coal having
Question: ‘Fat’ coal means a coal having
[A].low calorific value. [B].
high volatile matter, [C].
low ash content. [D].
non smoking tendency. Answer: Option B
Explanation:
No answer description available for this question.