Advertisements
Advertisements
प्रश्न
Balance the following simple equation:
KHCO3 → K2CO3 + H2O + CO2
उत्तर
2KHCO3 → K2CO3 + H2O + CO2
APPEARS IN
संबंधित प्रश्न
Balance the given equation:
AI(OH)3 
AI2O3 +H2O
Is Electrolysis of water an endothermic reaction or an exothermic reaction?
Write word equation for the following skeletal equation:
\[\ce{CO + O2 -> CO2}\]
Write your observation for the following chemical reaction and name the product formed :
When an aqueous solution of sodium chloride is mixed with an aqueous solution of silver nitrate.
Write word equation for the following molecular equation:
\[\ce{H2 [g] + Cl2 [g] ->[sunlight] 2HCl}\]
Word equation:
State which form of energy is utilised in the above chemical reaction.
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 – copper carbonate.
In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:
Dilute hydrochloric acid to silver nitrate.
Balance the following simple equation:
Al + H2O → Al2O3 + H2
Write three steps of writing chemical equations with example?
To balance the following chemical equation the value of x and y should respectively be:
\[\ce{2NaOH + xAl_2O_3->yNaAlO_2 + H_2O}\]
