The energy value of petrol can be determined by a
bomb calorimeter
catalytic cracker
fractionating column
thermometer
Correct answer is C
No explanation has been provided for this answer.
The reaction of sucrose with dilute HCI produces
an alkanoate
glucose and fructose
a black mass of carbon
a polysaccharide
Correct answer is B
No explanation has been provided for this answer.
A suitable reagent for distinguishing between ethanoic acid ethanol is
bromine water
Fehling's solution
sodium hydrogentrioxocarbonate (IV)
ammoniacal silver trioxonitrate (V)
Correct answer is C
No explanation has been provided for this answer.
1,11 and 111
l and ll only
ll only
l only
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements about soapless detergents is correct? They
lather readily with hard water
increase the surface tension of water
cause hydrolysis of salts in water
from a curdy precipitate with soft water
Correct answer is A
No explanation has been provided for this answer.