Advertisements
Advertisements
प्रश्न
Write word equation for the following molecular equation:
\[\ce{CaCO3 + 2HCl ->[\triangle] CaCl2 + H2O + CO2 [g]}\]
Word equation:
State which characteristic does [g] in the above reaction indicate. The word equation of:
उत्तर
\[\ce{CaCO3 + 2HCl ->[\triangle] CaCl2 + H2O + CO2 [g]}\] is
\[\ce{Calcium carbonate + Hydrochloric ->[\triangle] Calcium chloride + water + carbon dioxide}\]
Indication –
Evolution of gas i.e. Carbon dioxide.
APPEARS IN
संबंधित प्रश्न
Translate the following statement into chemical equation and then balance it.
Hydrogen gas combines with nitrogen to form ammonia
What do you understand by endothermic reactions?
Balance the following chemical equation :
H2 + O2 → H2O
Balance the following equation .
N2 + O2 → NO
A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – mercury [II] oxide.
Give word equation for the following chemical reaction and give the names of the product formed.
Zn + S → ZnS
Balance the following simple equation:
Al + O2 → Al2O3
Balance the following simple equation:
Zn + NaOH → Na2ZnO2 + H2
Balance the following simple equation:
Fe2O3 + CO → Fe + CO2
Write a balanced equation for the following word equation:
Iron + Hydrochloric acid → Iron [II] chloride + Hydrogen
