On exposure to hydrogen sulphide, moist lead (II) ethanoa...
On exposure to hydrogen sulphide, moist lead (II) ethanoate paper turns
black
blue
green
white
yellow
Correct answer is A
No explanation has been provided for this answer.
The petroleum fraction that is used in heating furnaces in industries is ...
2SO2(g) + O2(g) → 2SO3. In the reaction above, the standard heats of formation of SO2(g) and SO...
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