Related Questions

For a heterogeneous catalytic reaction
A Free energy of activation is lowered in the presence of catalyst, which remains unchanged at the end of reaction
B A relatively small amount of catalyst can cause the conversion of large amount of reactants which does not mean that catalyst concentration is important
C The catalyst does not form an intermediate complex with the reactant
D The surface of the catalyst does not play an important role during reaction
Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?
A Pore diffusion
B Film diffusion
C Ash layer diffusion
D Chemical reaction
If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion.
A Film
B Ash layer
C Pore
D None of these
He kept the fast for a week এখানে fast শব্দটি
A Noun
B Pronoun
C Adjective
D Adverb
Muslims fast during Ramadan, here fast is-
A adjective
B adverb
C verb
D determiner
The word 'fast' in the sentence --'The deadline was fast approaching', is a/an :
A verb
B noun
C adjective
D adverd
Bashar is twice as fast as Arif and Karim is three times as fast as Arif. If Bashar alone can complete a job in 12 days, how long will Bashar, Arif and Karim take to complete the same job together ?
A 3 days
B 4 days
C 6 days
D 8 days
He runs fast. The word 'fast' here is ----
A a verb
B an adjective
C an adverb
D a conjunction
'He runs fast', here the word 'fast' is a/an---
A adverb
B pronoun
C noun
D adjective
A horse runs fast. ___ In this sentence 'fast' is ___
A verb
B adjective
C adverb
D noun

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