HNO3 and NaOH
H2SO4 and KOH
HCI and Mg(OH) 2
HNO 3 and KOH
Correct answer is C
No explanation has been provided for this answer.
2H+2(g) + 2e- → H2(g)
Na+2(g) + e- → Na(s)
4OH- → 2H2O(l) + O2(g) +4e-
2CI- → CI2(g) + 2e-
Correct answer is A
No explanation has been provided for this answer.
Which of the following compounds is a soapless detergent?
C 12H 25OSO3Na
C 17H 35COONa
C 6H5OH3
C 4H9COOC2H 5
Correct answer is A
No explanation has been provided for this answer.
18.0g mol-1
22.4g mol-1
28.0gmol-1
36.0gmol-1
Correct answer is C
The mass of 0.8dm3 of a gas at s.t.p. is 1.0g :. 22.4dm> of gas at s.t.p. will have a molar mass of 22.4/0.8 = 28.0g mol-1
What is the IUPAC name of CH3CH2COOCH 3?
Ethylethanoate
Methylethanoate
Methylpropanoate
Propylmethanoate
Correct answer is C
No explanation has been provided for this answer.