Which of the following compounds is an alkanoate?
CH3COOH
CH3COOCH3
CH3CH2OH
CH3CH2COOH
Correct answer is B
No explanation has been provided for this answer.
What type of reaction occurs between vegetable oil and plant ash extract?
Displacement
Dehydration
Neutralization
Saponiflication
Correct answer is D
No explanation has been provided for this answer.
Which of the following industrial processes is chlorines not used?
Production of polyvinylchloride (PVC)
Manufacturing of hydrochloric acid
Manufacturing of common salt
Manufacturing of domestic bleach
Correct answer is C
No explanation has been provided for this answer.
Fe2+
MnO-4
H+
Fe3+
Correct answer is B
No explanation has been provided for this answer.
3
4
5
6
Correct answer is D
2AL(s) + 6H +(aq) → 2AL3+(aq) + 3H2(g). One aluminium atom transfers 3 electrons :. Two aluminium atoms will transfer 2x3=6 electrons