Advertisements
Advertisements
Question
Give a balanced equation for the conversion of a soluble lead salt to an insoluble lead salt – formed as a white precipitate.
Advertisements
Solution
Lead nitrate when reacts with sodium chloride insoluble white ppt. of lead chloride is formed
\[\ce{\underset{\text{colourless}}{Pb[NO3]2} + 2NaCl->\underset{\text{white ppt.}}{PbCl2 v} + 2NaNO3}\]
APPEARS IN
RELATED QUESTIONS
Changes in which new substances are formed are called ______ changes.
What are homogenous reactions ?
Balancing a chemical equation is based on
Explain the following reaction with one suitable example of Decomposition reaction
Complete and balance the following reaction:
\[\ce{NH3 + O2 ->[\Delta]}\]
Name affects the acidified K2Cr2O7 paper and also turns lime water dirty milky.
Name the following:
The type of change physical or chemical involved – ‘during respiration in human beings’.
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Calcium hydroxide.
Match the following:
| 1. | Sodium Chloride | a. | CaSO41/2H2O |
| 2. | Calcium sulphate dihydrate | b. | C2H5Oh |
| 3. | Magnesium sulphate hydrate | c. | CaSO4.2H2O |
| 4. | Calcium sulphate hemihydrate | d. | NaCl |
| 5. | Phenol | e. | MgSO4.H2O |
Melting of wax is a change where a solid changes to liquid state. Give one more such change which you observe in your surroundings
