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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 7
6.
Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.
15-30
90-100
250-300
<0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Cement mainly contains
CaO, SiO2, Al2O3
MgO, SiO2, K2O
Al2O3, MgO, Fe2O3
CaO, MgO, K2O
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Sand and __________ is fused at 1300°C, to produce sodium silicate.
limestone
soda ash
coke
sodium sulphate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Coke used for the production of calcium carbide should have
low ash content.
low ignition temperature.
high electrical resistivity.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Sucrose is a disaccharide consisting of
glucose and glucose
glucose and fructose
glucose and galactose
fructose and galactose
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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