Advertisements
Advertisements
Question
State the following reaction represent oxidation or reduction.
\[\ce{Ag->Ag+}\]
Options
oxidation
reduction
Advertisements
Solution
oxidation
\[\ce{Ag->Ag+}\]
APPEARS IN
RELATED QUESTIONS
How do the following help in bringing about a chemical change?
light.
Complete and balance the following chemical equations:
Zn + `"H"_2"SO"_4` `→`
(dil)
Fill in the blank:
The substances formed as a result of a chemical reaction are called _______
Give reason for the following:
Colourless concentrated sulphuric acid in a test tube changes to blue on adding a small piece of copper to it.
Write your observation and a balanced equation in the case of the following substances being heated.
Ammonium dichromate.
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 – Thermal decomposition of mercury [II] oxide.
Give a balanced equation for the conversion of a soluble lead salt to an insoluble lead salt – formed as a white precipitate.
Rusting of Iron: undesirable change:: Dead plants turn into manure: ______.
Write five changes in the characteristics of a substance that can take place during a chemical change.
Write the characteristics of chemical change.
