What are the products formed when dilute hydrochloric acid reacts with reactive metals?
Write the chemical reaction when iron reacts with dilute H2SO4 ?
(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?