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 following equation :
Fe + O2 → Fe3 O4
Balance the following equation. Also name the products formed.
`"Mg" + "O"_2 → "MgO"`
Write the chemical equation for the following word equation and balance them.
Carbon + Oxygen → Carbon dioxide
Balance the following equation:
HNO3 + H2S → NO2 + H2O + S
Answer the following question.
What is observed when 2 mL of dilute hydrochloric acid is added to 1 g of sodium carbonate taken in a clean and dry test tube? Write a chemical equation for the reaction involved.
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.
NH3 + HCl ⇌ NH4Cl
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.
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:
Lead nitrate to ammonium hydroxide.?
Balance the following simple equation:
Al + N2 → AlN
Dil. HCl is added to Zn granules. How will you prove that chemical change has taken place here? Support your response with two arguments.
