Wine containing 8% to 17% ethanol can be converted to gin containing about 40% ethanol by
evaporation
distilation
fermentation
oxidation
Correct answer is B
No explanation has been provided for this answer.
Which of the following compounds has the same empirical formula as benzene?
C2H2
C2H4
C4H6
C6H12
Correct answer is A
No explanation has been provided for this answer.
2CI- (aq) → CI,sub>2(g) + 2e-
40H-(aq) → 2H2O(I) + O2(g) + 4e -
Na+(aq) + e- → Na(s)
2H+(aq) + 2e- → H2(g)
Correct answer is A
No explanation has been provided for this answer.
A given fuel has an octane number of 100. This means that
the knocking tendency of the fuel is low
the fuel is a mixture of several hydrocarbons
a large amount of alkanes is present in the fuel
the fuel needs to be cracked before use
Correct answer is A
No explanation has been provided for this answer.
0.10 mole
0.20 mole
1.0 mole
2.0 mole
Correct answer is B
No explanation has been provided for this answer.