Advertisements
Advertisements
Question
State one characteristic of the chemical reaction which takes place when dilute hydrochloric acid is added to sodium carbonate.
Solution
When sodium carbonate is added to dilute hydrochloric acid, carbon dioxide gas evolves. Hence, this reaction is characterised by evolution of gas.
APPEARS IN
RELATED QUESTIONS
Balance the given equation:
H2O2 
H2O + O2
Aluminium burns in chlorine to form aluminium chloride (AlCl3). Write a balanced chemical equation for this reaction.
Express the following facts in the form of a balanced chemical equation:
"When a strip of copper metal is placed in a solution of silver nitrate, metallic silver is precipitated and a solution containing copper nitrate is formed".
Balance the following equation :
Fe + O2 → Fe3 O4
Balance the following equation. Also name the product formed.
`"NaNO"_3 → "NaNO"_2 + "O"_2` Name of product (s)
Balance the following equation. Also name the product formed.
`"KCIO"_3 → "KCI" +"O"_2`
Balance the following equation:
KOH + Cl2 → KCl + KClO + H2O
What information does the following chemical equation convey?
Zn + H2SO4 → ZnSO4+ H2
Write word equation for the following molecular equation:
\[\ce{CuSO4 + 2NaOH -> Na2SO4 + Cu(OH)2↓}\]
Word equation:
State the colour of the products.
Explain the term ‘chemical equation’.
