If you leave a piece of iron in the op...

If you leave a piece of iron in the open for a few days ,it acquires a film of brownich substance , called rust .
Do you think rust is different from iron ?

Text Solution

AI Generated Solution

Promotional Banner

Promotional Banner

Topper's Solved these Questions

PHYSICAL AND CHEMICAL CHANGES
NCERT EXEMPLAR|Exercise SHORT ANSWER QUESTIONS |8 Videos
FIBRE TO FABRIC
NCERT EXEMPLAR|Exercise LONG ANSWER QUESTIONS|11 Videos
WATER: A PRECIOUS RESOURCE
NCERT EXEMPLAR|Exercise LONG ANSWER QUESTIONS|3 Videos

NCERT EXEMPLAR-PHYSICAL AND CHEMICAL CHANGES -LONG ANSWER QUESTIONS

Give two examples for each of the following cases : (a) physical ...
Text Solution
|
Give two examples for Physical changes which are not reversible .
Text Solution
|
Define : Chemical change.
Text Solution
|
Give an example of a chemical reaction for each of the following sit...
Text Solution
|
A gas is evolved when ethanol reacts with sodium. Name the gas evolved...
Text Solution
|
Sound is produced due to
Text Solution
|
If you leave a piece of iron in the open for a few days ,it acquires...
Text Solution
|
Can you change rust back into iron by some simple method ?
Text Solution
|
Do you think formation of rust from iron is a chemical change ?
Text Solution
|
Give two examples of chemical change
Text Solution
|
A students took a solution of copper sulphate in a beaker and put a ...
Text Solution
|
Are these changes chemical in nature , solution of copper sulphate ...
Text Solution
|
Write a word equation for the chemical change solution of copper su...
Text Solution
|