1.12dm3
2.24dm3
3.72dm3
4.48dm3
Correct answer is B
\(\frac{\text{volume}}{\text{molar volume}}\) = 0.05
1 mole of ethane produces 2 moles of carbon(iv)oxide
∴ 0.05 mole of ethane will produce x moles of carbon(iv)oxide
= \(\frac{\text{volume}}{22.4}\) = 0.05 X 2 X 22.4 = 2.24dm\(_3\)
Which of the following trioxonitrate(V) salts would decompose on heating to form a metal?
Cu(NO3)2
AgNO3
Pb(NO3)2
KNO3
Correct answer is B
No explanation has been provided for this answer.
i
ii
i and ii
ii and iii
Correct answer is C
No explanation has been provided for this answer.
Which of the following oxides is ionic?
P4O10
MgO
Al2O3
SO2
Correct answer is B
No explanation has been provided for this answer.
The shape of a graphite crystal is
Tetrahedral
Pyramidal
Octahedral
Hexagonal
Correct answer is D
No explanation has been provided for this answer.