(ii) When shale gas is burned, the hydrogen sulfide reacts with oxygen. 2H2S + 3022SO2 + 2H2O
Explain how the combustion of shale gas can lead to the formation of acid rain.

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element

Chromium(iii) sulfate is a transition metal compound containing the metal chromium and the polyatomic ion sulfate. the oxidation state of chromium in this compound is , and the chemical formula of the compound is ( ) . reset next

Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a