A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour. Write a word equation for the chemical change, if any. - Science

A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.

Write a word equation for the chemical change, if any.

Short Note

\[\ce{\underset{(Blue)}{Copper sulphate} + \underset{(Shining white}{Iron} -> \underset{(Green)}{Iron sulphate} + \underset{(Brown}{Copper}}\]

shaalaa.com

Is there an error in this question or solution?

Chapter 6: Physical and Chemical Changes - LONG ANSWER QUESTIONS [Page 37]

Chapter 6 Physical and Chemical Changes
LONG ANSWER QUESTIONS | Q 22. (c) | Page 37

True or false

New substances are formed in a chemical change.

Give an example of a reaction where the following are involved

Pressure

Name: Gas with rotten egg smell.

What is a chemical reaction?

Give balanced equation for the following conversion affected by heat alone on the substance:

Copper carbonate to copper oxide

State whether the following reaction is oxidation or reduction.

\[\ce{Na->Na+}\]

Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.

Ammonium dichromate.

What kind of a change is associated with decaying of a plants?

Discuss how acid rain occurs due to emission of smoke from vehicles and industries?

A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.

Are these changes chemical in nature?