Related Questions

(i)Participation involves more than the formal sharing of decisions. (ii)through anticipation , individuals . or organizations consider trends and make plans , shielding institutions from trauma of learning by shock. (iii) Innovative learning involves both anticipation and participation . (iv) It is an attitude characterized by cooperation. dialogue and empathy.
A (ii) + (iii) + (i) + (iv)
B (i) + (ii) + (iv) + (iii)
C (iv) + (i) + (iii) + (ii)
D (iii) + (ii) + (i) + (iv)
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are
A Always irreversible
B Insensitive to temperature changes
C Mostly irreversible
D Highly temperature sensitive
Chemical kinetics can predict the __________ of a chemical reaction.
A Rate
B Feasibility
C Both A & B
D Neither A nor B
'Absorption with chemical reaction' is involved in the removal of
A Carbon dioxide from gaseous stream using alkaline solution
B Benzol from coke oven gas using solar oil/wash oil
C Ammonia from coke oven gas using refrigerated water
D Tar from coke oven gas in primary gas coolers using chilled water
A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction.
A Less than
B Equal to
C More than
D Equal to or more than
A chemical reaction occurs, when the energy of the reacting molecules is __________ the activation energy of reaction.
A Less than
B Equal to
C More than
D Equal to or more than
A catalyst in a chemical reaction __________ free energy change in the reaction.
A Increases
B Decreases
C Either A or B; depends on the type of catalyst
D Neither A nor B
Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction.
A Zero order
B Third order
C Consecutive
D None of these
Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is
A 0
B 1
C ∞
D None of these
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
A Proportional to
B Independent of
C Inversely proportional to
D Proportional to the square of

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