Name the gas evolved when a metal reacts with a dilute acid.

Academic Chemistry NCERT Class 8

Metals react with dilute acids to form metallic salts and hydrogen gas.

Example: Zinc metal reacts with dilute hydrochloric acid to form zinc chloride and hydrogen gas.

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Updated on: 10-Oct-2022

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Name the gas evolved when a metal reacts with water.
Give reasons: Hydrogen gas is not evolved when a aluminium metal reacts with nitric acid.
(a) Name one metal which reacts with dilute hydrochloric acid to produce hydrogen gas.(b) Name one metal which does not react with dilute hydrochloric acid.
Name the gas evolved when dilute HCl reacts with sodium hydro-carbonate. How is it recognized?
Name the gas produced when aluminium foil reacts with:(a) dilute hydrochloric acid.(b) Sodium Hydroxide solution.
Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute H2SO4.
Which gas is usually liberated when an acid reacts with a metal?
A gas is evolved when ethanol reacts with sodium. Name the gas evolved and also write the balanced chemical equation of the reaction involved.
The metal X reacts with dilute hydrochloric acid to form a gas Y. The metal X also reacts with sodium hydroxide solution (on heating) to form the same gas Y. When a lighted matchstick is applied, this gas burns by producing a ‘pop’ sound.(a) Name two metals which could behave like X(b) Name the gas Y
When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.
Which of the following will be required to identify the gas evolved when dilute hydrochloric acid reacts with zinc metal?(a) Red litmus paper(b) pH paper(c) Lime water(d) A burning splinter
Write word equations and then balanced equations for the reactions taking place when :(a) dilute sulphuric acid reacts with zinc granules.(b) dilute hydrochloric acid reacts with magnesium ribbon.(c) dilute sulphuric acid reacts with ammonium powder.(d) dilute hydrochloric acid reacts with iron filings.solution
Write word equations and then balanced equations for the reaction taking place when(a) dilute sulphuric acid reacts with zinc granules(b) dilute hydrochloric acid reacts with magnesium ribbon(c) dilute sulphuric acid reacts with aluminium powder(d) dilute hydrochloric acid reacts with iron filing.
(a) Name the gas evolved when ethanol reacts with sodium.(b) What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of conc. H2SO4? (c) What will you observe when dilute ethanoic acid and dilute hydrochloric acid are put on universal indicator paper, one by one? What does it show?
Name the gas which is liberated when an acid reacts with a metal. Illustrate with an example. How will you test the presence of this gas?

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