Chemistry, asked by sanjanareddy37, 9 months ago

why do the silver coins turn black and copper coins turn green on long standing ?

Answers

Answered by shivanshi77

2

Explanation:

Hydrogen sulphide changes silver into black and moisture in atmosphere changes copper into green

Previous Question

Next Question

Similar questions

English, 5 months ago

2. I am an eight-letter word beginning and ending with 'S' having an by equal number of vowels and consonants. I am loved by teachers at by school and parents at home.

English, 5 months ago

III. Give reasons for each of the following statements. 1. Achievers never abandon their dreams despite several failures. 2. Failures are stepping stones to success. 3. There is nothing more common than unsuccessful people with talent.

Social Sciences, 5 months ago

An important animal the enemy used at Panipat...

Math, 9 months ago

Find the remainder when p(x)=4x³+8x²-7x+10 is divided by (2x-1)...

English, 9 months ago

How to we write notice easy without any help...

Physics, 1 year ago

An object placed in front of the concave lens of focal length 20 cm and magnification is found to be 1/2. Find the location of the object.

Physics, 1 year ago

An object has moved through a distance can it have zero displacement if yes support your answer with explain...

English, 1 year ago

modesty is ____ womanly grace suitable preposition to be added?