Advertisements
Advertisements
प्रश्न
Write the chemical equation for the following word equation and balance them.
Sodium reacts with water to form sodium hydroxide and hydrogen
Advertisements
उत्तर
2Na + 2H2O → 2NaOH + H2↑
APPEARS IN
संबंधित प्रश्न
Balance the given equation:
AI(OH)3
AI2O3 +H2O
The chemical reaction between quicklime and water is characterised by:
(a) evolution of hydrogen gas
(b) formation of slaked lime precipitate
(c) change in temperature of mixture
(d) change in colour of the product
The removal of oxygen from a substance is called:
(a) oxidation
(b) corrosion
(c) reduction
(d) rancidity
Write word equation for the following skeletal equation:
\[\ce{FeCl2 + Cl2 -> FeCl3}\]
Balance the following equation. Also name the products formed.
`"Mg" + "O"_2 → "MgO"`
Write the balanced chemical equation of the following reaction.
sulphur + nitric acid→ sulphuric acid + nitrogen dioxide + water.
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 – lead [IV] oxide.
Give word equation for the following chemical reaction and give the names of the product formed.
NH3 + HCl→ NH4Cl
Write an Explanation.
Balanced equations
What is a chemical equation?
