Use the diagram to answer this question.The colour of the...
Use the diagram to answer this question.The colour of the fountain water is
blue
orange
red
yellow
Correct answer is C
fountain water has red colour.
A measure of the degree of disorder in a chemical system is known as the ...
Which of the following hydrohalic acids is the weakest? ...
Which of the following metals exists as liquid at ordinary temperature? ...
The mass of one Avogadro number of helium atom is ...
Consider the following reaction equation: C2H4(g) + 3O2(g) → 2CO2(g) + 2H2O(g) The volume ...
Cu2+(aq) + 4NH3(g) ↔ [Cu(NH3)4]2+(aq) In the reaction above, what is the effect of precipitati...
Calculate the relative molecular mass of Limestone CaCO3, (Ca = 40, C =12, O = 16) ...