sruthisuresh sruthisuresh

11-01-2020
Chemistry

contestada

give reasons 1)copper utensils and sheets become blackish after some days

Respuesta :

theofficialkoolplug theofficialkoolplug

11-01-2020

Copper reacts with the oxygen in the air and this is known as oxidation and is a chemical change . The copper reacts with oxygen and gets oxidised to form a blackish coating on the sheet. Cu+O2->CuO..
This is a combination reaction. #answerwithquality #BAL

Answer Link

Otras preguntas

Find the length of the missing side. The diagram is not drawn to scale. (Please explain how to get to the answer)

What is the significance of the proximity of slave trade centers to the cotton growing plantations?

Joshua walked into basketball tryouts feeling confident. Considering how well he played over the summer, he felt that he was going to make the varsity team fo

Consider the polynomial equation x(x-3)(x+6)(x-7)=0.Which of the following are zeros of the equation?Select all that apply.

sinx tanx =sinxI need help

What command embeds a new spreadsheet object at the insertion point? A. Table Object > Excel Spreadsheet B. Table > Excel Spreadsheet C. Workshe

Is the time it takes to fly from city upper a to city upper btime it takes to fly from city a to city b a discrete random variable, a continuous random variab

What were some of the reasons tensions in Boston escalated between 1765 and 1770?

Which policy or initiative contributed most to the nuclear arms race between the United States and the Soviet Union

helpppppppppppppppppp