Chemistry | Study Mode

Join Discuss Share to WhatsApp
Question 21
A
the reaction of trioxocarbonate(IV) with an aci
B
double decomposition.
C
the action of dilute acid on an insoluble base.
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: B
Join Discuss Share to WhatsApp
Question 22
A

O2(g)

B

H2O(l)

C

F2(g)

D

HF(aq)

Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: C
Join Discuss Share to WhatsApp
Question 23
A

CuSO4(aq)

B

ZnSO(aq)

C

Cu(s)

D

Zn(s)

Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: A
Join Discuss Share to WhatsApp
Question 24
A
chlorine.
B
oxygen.
C
tetaoxosulphate(Vl) aci
D
hydrogen.
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: D
Join Discuss Share to WhatsApp
Question 25
A

224,000

B

0.056

C

0.224

D

56,000

Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: B
Join Discuss Share to WhatsApp
Question 26
A
be indeterminate.
B
be spontaneous.
C
not be spontaneous.
D
be at equilibrium.
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: C
Join Discuss Share to WhatsApp
Question 27
A

decreasing the pressure.

B

decreasing the temperature.

C

increasing the temperature.

D

the addition of catalyst

Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: B
Join Discuss Share to WhatsApp
Question 28
A
lattice energy
B
ionization energy.
C
activation energy
D
kinetic energy.
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: C
Join Discuss Share to WhatsApp
Question 29
Chemistry Q 29 image
A

100KJ

B

300KJ

C

250KJ

D

200KJ

Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: A
Join Discuss Share to WhatsApp
Question 30
A

Fe3O4H2FeH2O

B

H2O4H24

C

H24H2O4

D

Fe3H2O2Fe3O4H24

Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: C

Try this quiz in in E-test/CBT Mode
switch to Chemistry in CBT Mode

Previous Page Next Page
Question Map
Quiz link
Share Chemistry with your audience
Share to WhatsApp CBT mode Study mode copy link
​​​Help keep QUIZZERWEB running! 
A donation makes a contribution towards the costs, the time and effort that's going on in building and improving this platform.