Chloral is used in the manufacture of
Question: Chloral is used in the manufacture of
[A].
DDT
BHC
parathion
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
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Internal energy of a gas obeying Vanderwall’s equation of state, , depends upon its
Question: Internal energy of a gas obeying Vanderwall’s equation of state, , depends upon its
[A].pressure & temperature. [B].
pressure & specific volume. [C].
temperature & specific volume. [D].
temperature only. Answer: Option A
Explanation:
No answer description available for this question.
A first order gaseous phase reaction is catalysed by a non-porous solid. The kinetic rate constant and the external mass transfer co-efficients are k and kg respectively. The effective rate constant (keff) is given by
Question: A first order gaseous phase reaction is catalysed by a non-porous solid. The kinetic rate constant and the external mass transfer co-efficients are k and kg respectively. The effective rate constant (keff) is given by
[A].keff = k + kg [B].
keff = (k+ kg)/2 [C].
keff = (kkg)1/2 [D].
Answer: Option D
Explanation:
No answer description available for this question.
__________ catalytic reaction is involved in the thermal cracking of gas oil.
Question: __________ catalytic reaction is involved in the thermal cracking of gas oil.
[A].Homogeneous [B].
Homogeneous non [C].
Heterogeneous [D].
Heterogeneous non Answer: Option A
Explanation:
No answer description available for this question.
The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an ______________ detergent ?
The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an ______________ detergent ?A. Cationic
B. Anionic
C. Amphoteric
D. Semi polarFor the Stoke’s law to be valid in the case of a falling sphere in a fluid, the
Question: For the Stoke’s law to be valid in the case of a falling sphere in a fluid, the
[A].Reynolds number (based on sphere diameter) should be < 1. [B].
flow around the sphere should be in turbulent region. [C].
sphere must be metallic. [D].
fluid density should be constant. Answer: Option C
Explanation:
No answer description available for this question.
Kirchoff’s law is applicable to
Question: Kirchoff’s law is applicable to
[A].monochromatic radiation only [B].
total radiation only [C].
both (a) and (b) [D].
only volumes and not to surfaces Answer: Option C
Explanation:
No answer description available for this question.