C: increase in temperature
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A student measured the rate of reaction between calcium carbonate and dilute hydrochloric acid. A graph showing the v…
The diagram shows an apparatus used to compare rates of diffusion. At which labelled position did a white deposit of …
The combustion of methane is exothermic. The equation is given below. CH4 + 2O2 → CO2 + 2H2O What can be deduced from…
In the extraction of iron, carbon monoxide acts as
An alloy of copper and zinc is added to an excess of dilute hydrochloric acid. Which observations are correct?
From your knowledge of the manufacture of both aluminium and iron, what is the order of chemical reactivity of alumin…