write an activity to show that hydrogen is produced when calcium reacts with dilute HCL acid.
A quite vigorous metal-acid reaction takes place, producing CaCl2 and hydrogen gas.
undefined
(a) Write happens when calcium reacts with water? Write the chemical equation of the reaction of calcium. (b) Write the chemical equation of the reaction which takes place when iron reacts with dilute sulphuric acid. What happens when the gas produced is ignited with a burning matchstick?