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

In a parliamentary system of government, how is the leader chosen? O A. In a vote by the citizens O B. By the national court system C. By a majority vote of the

A 50 kg circus worker stands on a merry go round platform. If the worker's acceleration is 2.5 m/s2, what is her centripetal force?

Help mehhhhhh please!!!!!!!!!!!!

Round 5.096 to the nearest tenths

1. Fiona Wolfe regular pay is $9 an hour and time-and-a-half for anything over 40 hours. Last week she worked 46 hours at her full-time job. She also worked 7 h

NEED HELP\ I GIVE BRAIN

Plzzzz helpppppppo Near the end of the life cycle of a star why does the star lose its size

Please help I really appreciate it I need it today

The diagram shows an electromagnet made with copper wire, a steel nail, and a 1.5 V battery. Which change would make this electromagnet weaker? A. Reverse the d

1. Amalia Enter Text enter answer (comprar) toda la comida. 3. Enrique Enter Text enter answer (invitar) a todos mis amigos. Yo Enter Text enter answer (