Advertisements
Advertisements
प्रश्न
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Lead nitrate.
Advertisements
उत्तर
Solid residual product of thermal decomposition of:
| Lead nitrate | \[\ce{\underset{\text{litharge lead oxide}}{PbO}}\] | Yellow |
APPEARS IN
संबंधित प्रश्न
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Reduction is a chemical reaction in which there is
- removal of hydrogen
- removal of oxygen
- addition of oxygen
- none of these
FILL IN THE BLANK
In a ............ change, new substances are formed.
Define electrolysis.
What are the characteristics of a chemical reaction ? A chemical reaction is characterised by an irreversible change in which a new substance is formed.
Balance the following equation :
Fe + H2O → Fe3O4 + H2
Complete and balance the following reaction:
\[\ce{Pb(NO3)2 ->[\Delta]}\]
Silver metal can displace hydrogen gas from nitric acid.
On heating calcium carbonate gets converted into calcium oxide and carbon dioxide.
(a) Is this a physical or a chemical change?
(b) Can you prepare one acidic and one basic solution by using the products formed in the above process? If so, write the chemical equation involved.
Melting of wax is a change where a solid changes to liquid state. Give one more such change which you observe in your surroundings
Vanaspati is obtained from vegetable oils by the addition of ______ to the oils.
