A sample of an oxide of mercury weighed 1.00g. When this ...
A sample of an oxide of mercury weighed 1.00g. When this was heated, oxygen was given off, and 1.00g of mercury metal only was left. What is the formula of the oxide?
Hg2O
HgO2
HgO2
HgO
None of the above
Correct answer is E
Various oxides of mercury: Mercury(I) oxide (mercurous oxide), Hg\(_2\)O. Mercury(II) oxide (mercuric oxide), HgO.
No specific oxide of mercury is refered in the question.
In an endothermic reaction, if there is a loss in entropy the reaction will ...
Which of the following cannot be deduced from the electronic configuration of a transition metal?...
The first metal used by man was ...
Choose the correct option from the structure above ...
Which of the following is used to power steam engines? ...
What is the organic product of the reaction of C2H 5OH with excess acidified K 2Cr 2O7(aq)?...
Which of the following measures is not suitable for controlling water pollution? ...