Name the products formed and write an equation when ethyne is added to the following in an inert solvent : (a) chlorine, (c) iodine, (b) bromine, (d) hydrogen. (e) excess of hydrochloric acid.
(a) What happens when dilute hydrochloric acid is added to sodium carbonate ? Write a balanced chemical equation of the reaction involved.
(b) Which gas is liberated when dilute hydrochloric acid reacts with sodium carbonate ? How will you test for the presence of this gas ?
(a) What happens when an acid reacts with a metal carbonate? Explain with the help of an example. Write chemical equation of the reaction involved.
(b) What happens when carbon dioxide gas is passed through lime water :
(i) for a short time?
(ii) for a considerable time?
Write equations of the reactions involved.
(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?