The pair of metals in the reactivity series that are usua...
The pair of metals in the reactivity series that are usually extracted by the electrolysis of their ores is
magnesium and zinc
magnesium and calcium
copper and zinc
lead and calcium
Correct answer is B
No explanation has been provided for this answer.
In the electrolysis of brine, the anode is ...
Sulphur exists in six forms in the solid state. This property is known as? ...
Which of the following substance is an alloy of lead? ...
Consider the following reaction represented by the following equation: C2H2 \(^{H\(_...
If an element R belongs to the same group as sodium, an aqueous solution of ROH will ...
S2O2-3 + I2 → S2O62- + 2I-. In reaction above, the oxidizing agent is?...