Related Questions

In autocatalytic reactions,
A One of the reactants acts as a catalyst
B One of the products acts as a catalyst
C Catalysts have very high selectivity
D No catalyst is used
Rate of an autocatalytic chemical reaction is a function of
A Temperature only
B Pressure only
C Composition only
D All of the above
Which of the following is an autocatalytic reaction?
A Photochemical reactions
B Microbial fermentation reaction
C Enzyme fermentation reaction
D Ammonia synthesis reaction
For an autocatalytic reactor, the suitable reactor set up is
A P.F. reactors in series
B CSTR in series
C CSTR followed by P.F. reactor
D P.F. reactor followed by CSTR
Exothermic reactions are best carried out in
A A CSTR
B CSTR in series
C A plug flow reactor followed by CSTR
D CSTR followed by a plug flow reactor
Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.
A 400-500
B 900-1000
C 1400-1500
D 1700-1800
The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is
A Backmix reactor
B Plug flow reactor
C Series of CSTR
D PFR in series
At the beginning of the month, the accounts receivable subsidiary ledger showed balances for Anchor Company Tk 5,000 and Best Company Tk 7,000. During the month, credit sales were made to Anchor Tk 6,000, Best Tk 4,500, and Zen Tk 8,500. Cash was collected on account from Best Tk 11,500 and Zen Tk 3,000. At the end of the month, the Accounts Receivable account of Best Company in the general ledger should have a balance of -
A Tk 0
B Tk 4,500
C Tk 11,500
D Tk 23,000
E None of these
The active form of the sentence "Every order will be carried out promptly" is
A Orders should be carried out immediately
B Oreders must be carried out promptly
C We will carry out every order promptly
D Orders will be carried out promptly
The army carried out a clandestine operatiton at night.
A Family
B useful
C sercret
D distatnt

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