What is the atomic number of Magnesium?
...What is the atomic number of Magnesium?
5
35
76
12
Correct answer is D
No explanation has been provided for this answer.
H3PO4(aq) + H2O(l) ↔ H2PO4-(aq) + H3O+(aq) ΔH = -13kJ at 298K In the reaction above, an increa...
The solvent used for removing grease stain is ...
Which of the following statements about catalyst is false? ...
Which of the following gases may not be dried with concentrated sulphuric acid? ...
The basicity of CH<sub>3</sub>COOH is ...
Which of these represents a redox reaction? ...
The general formula of alkanoates is? ...
Which quantum number divides shells into orbitals? ...
The processes which return carbon (IV) oxide to the atmosphere include ...