Advertisements
Advertisements
प्रश्न
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.?
Advertisements
उत्तर
Lead nitrate and ammonium hydroxde
\[\ce{Pb(NO3)2 + 2NH4OH -> 2NH4NO3 +\underset{\text{Lead hydroxide}}{Pb(OH)2↓}}\]
The precipitate formed is Lead hydroxide which is chalky white in colour.
APPEARS IN
संबंधित प्रश्न
On what basis is a chemical equation balanced?
Aluminium hydroxide reacts with sulphuric acid to form aluminium sulphate and water. Write a balanced equation for this reaction.
Ammonia reacts with oxygen to form nitrogen and water. Write a balanced chemical equation for this reaction. Add the state symbols for all the reactants and products.
State the various characteristics of chemical reactions.
Which of the following are endothermic reactions and which are exothermic reactions?
- Burning of natural gas
- Photosynthesis
- Electrolysis of water
- Respiration
- Decomposition of calcium carbonate
The chemical reaction between two substances is characterised by a change in colour from orange to green. These two substances are most likely to be ______.
Write symbolic representation for the following word equation and balance them :
Calcium carbonate → Calcium oxide + Carbon dioxide.
Choose the correct answer from the options given below.
The formula of sodium carbonate is Na2CO3 and that of calcium hydrogen carbonate is
Balance the following simple equation:
Al + H2O → Al2O3 + H2
Balance the following simple equation:
CaO + HCl → CaCl2 + H2O
