Advertisements
Advertisements
प्रश्न
A reaction between an acid and a base is called ______.
Advertisements
उत्तर
A reaction between an acid and a base is called Neutralization.
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
Name three reducing agents ?
What are the characteristics of a chemical reaction ? A chemical reaction is characterised by an irreversible change in which a new substance is formed.
Give an example of a reaction where the following are involved
Electricity
Give an example of the following chemical change.
A reaction where colour change is noticed
Give reason for the following:
Blue solution of copper sulphate changes to green when a piece of iron is added to this solution.
Complete and balance the following reaction:
\[\ce{CuCO3 ->[\Delta]}\]
A chemical reaction is often accompanied by external indications or characteristics which include –
- Colour change
- Effervescence or gas evolved
- Evolution or absorption of heat
- Formation of a precipitate.
With reference to each of the above indications, state the external indication seen during – Addition of water to quicklime.
Higher order Thinking question
Peeled and unpeeled banana does not look the same. Does that mean peeling banana is a chemical change?
Rusting of Iron: undesirable change:: Dead plants turn into manure: ______.
