Advertisements
Advertisements
प्रश्न
What is meant by ‘reactants’ and ‘products’ in a chemical equation?
Advertisements
उत्तर
Reactants: Substances taking part in a reaction separated by (+) sign on the left-hand side of the arrow are called reactants.
Products: Substances formed in the reaction are called products.
APPEARS IN
संबंधित प्रश्न
Balance the given chemical equation:
NH3 → N2 + H2
Write any two observations in an activity which may suggest that a chemical reaction has taken place. Give an example in support of your answer.
What happens when silver nitrate solution is added to sodium chloride solution?
Write the equation for the reaction which takes place.
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.
Raisins are wiped off gently before final weighing with the help of
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
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:
Iron [III] chloride to ammonium hydroxide.
Balance the following simple equation:
H2 + Cl2 → HCl
Write a balanced equation for the following word equation:
Aluminium + Oxygen → Aluminium oxide
When aqueous solutions of potassium iodide and lead nitrate are mixed an insoluble substance separates out. The chemical equation for the reaction involved is:
