In the extraction of iron, the waste gas from the furnace is a mixture of
PH3 CO and CO2
CO and C
N2 , CO and CO2
PH3 and CO
Correct answer is C
the \(N_2\) from the hot air blast to burn the coke (48%), the \(CO\) (23%) and \(CO_2\) (21%) produced from the reduction of the iron ore \(Fe_{2}O_{3}\) by carbon (the coke) are the major components of the waste from the extraction.
The fixed amount of money given to a petty cashier at the beginning of a period is called?
Imprest
Petty cash
Float
Cash advance
Correct answer is C
No explanation has been provided for this answer.
The drying agent suitable for drying ammonia is
Calcium Chloride
Calcium Oxide
Phosphorus(V) Oxide
Concentrated H2SO4
Correct answer is B
No explanation has been provided for this answer.
Outstanding cheques
Bank service charges
Deposit in the mail not yet received by the bank
Bank error, charging a company for another company's cheque
Correct answer is D
No explanation has been provided for this answer.
3
2
4
5
Correct answer is C
No explanation has been provided for this answer.