DalilaSoga DalilaSoga

05-06-2015
Chemistry

contestada

Which substance can not be decomposed by a chemical change?
(1) ammonia (3) propanol
(2) copper (4) water

Respuesta :

lulu1991 lulu1991

25-06-2015

The answer is (2) Copper. Because copper is consist of atom. If it is decomposed, the atom will be changed. While chemical change is just the break down and form of chemical bonds between atoms.

Answer Link

Otras preguntas

two lenghts are in the ratio 7:8. if the first lenght is 273m, what amount is the second lenght

American fruit producers in California are in deep trouble. Between wild fires, droughts, and California’s horrible economic situation, they are having a rough

The diameter of an open parachute is 15 ft. if the distance from the parachute to the center of the diameter is 8 ft, what is the length of the suspension line

What is a cross poems

What is the appositive in this sentence? The president, an elected official of the United States, serves a four-year term The president The president, an elect

La es algo que no se puede evitar a. nacimiento b. novios c. muerte

Which of Juliet’s lines best shows her respect for her mother? And stint thou too, I pray thee, nurse, say I. And palm to palm is holy palmers’ kiss. Go, ask h

Allison is closing on a house on september 17. The buyer owns the property on the day of the closing. The selling price of the gone is $200,500. Allison was acc

Anna needs 6 pints of milk to make yogurt. How many cups of milk does Anna need?

The sum of the measures of the interior angles of a polygon is 1140. What kind of polygon is it ?