Advertisements
Advertisements
प्रश्न
Write your observation for the following chemical reaction and name the product formed :
When water is added to quick lime?
Advertisements
उत्तर
When water is added to quick lime, a large amount of heat energy is evolved.
Calcium oxide + Water → Calcium hydroxide + Heat
(solid)
APPEARS IN
संबंधित प्रश्न
Translate the following statement into a chemical equation and then balance the equation:
Phosphorus burns in oxygen to give phosphorus pentoxide.
Write your observation and name the product when An aqueous solution of barium chloride is added to dilute sulphuric acid.
A student weighed some raisins and recorded the weight as ‘x’. She then soaked the raisins in distilled water. After about 2 hours she removed the raisins, wiped them dry and weighed them again, and recorded that as ‘y’. The percentage of water absorbed by raisins may be determined using the relationship.
Balance the equation stepwise.
Ag(s) + HCl(aq) → AgCl ↓+ H2 ↑
Balance the following equation:
KOH + Cl2 → KCl + KClO + H2O
What information do the following chemical equations convey? Mg + 2HCl → MgCl2+ H2
Name the fundamental law that is involved in every equation.
Write the balanced chemical equation of the following reaction.
zinc sulphide + oxygen → zinc oxide + sulphur dioxide
In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.
2H2 + O2 → 2H2O
Write scientific reason.
Adding zinc particles to a solution of copper sulphate makes the blue solution colorless.
