Which of the following salts can be melted without decomp...
Which of the following salts can be melted without decomposition?
Na2CO3
CaCO3
MgCO3
ZnCO3
Correct answer is A
No explanation has been provided for this answer.
(1/2)Zn2+(aq) + e- → (1/2) Zn(s) In the reaction above, calculate the quantity of electricity re...
Pick out the correct statement...
Which of the following sulphides is insoluble in dilute HCl? ...
The pollution from petroleum spillage in rivers and lakes can best be dispersed by ...
Hydrogen is not liberated when trioxonitrate(v)acid reacts with zinc because ...
The use of diamond in abrasives is due to its ...
The enzyme that converts glucose to ethyl alcohol is? ...
Which of the following CANNOT be obtained by fractional distillation of petroleum? ...
The energy change (ΔH) for the reaction CO(g) + (1)/(2)O2(g) → is? (ΔHi(CO) = -110.4 kJ mol-)...
The reagent that can be used to distinguish ethene from ethyne is ...