When temporary hard water is boiled for sometime in a ket...
When temporary hard water is boiled for sometime in a kettle, the inner surface of the kettle becomes coated with a deposit of
calcium tetraoxosulphate(VI)
calcium trioxocarbonate (IV)
calcium hydrogentrioxocarbonate (IV)
aluminium trioxocarbonate (IV)
Correct answer is B
No explanation has been provided for this answer.
5SO2(g) + 2KMnO4(aq) + 2H2O(l) → K2SO4 + 2MnSO4(aq) + 2H2SO4(aq) In the reaction above, the produ...
CuO(s) + H2(g) ↔ Cu(s) + H2O(g) What is the effect of increasing the pressure on the...
The oil used in the froth floatation process is ...
Which of the following is a disaccharide? ...
Which of the following in aqueous solution is neutral to litmus? ...
The scientist who discovered the zig-zag movement of gas molecules is ...
What is the atomic number of Hafnium? ...