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

Make a case for the Native Americans’ right to remain on the Western Plains.

The part of the brain responsible for voluntary, or conscious, body activities and emotions is located in the Frontal Lobe or Cerebrum o.O

What is a sentence with the word Evasively?

Describe at least three problems immigrants faced in American cities in the late 1800s.

What is your rate in miles/hour if you tun at a speed of 2.2 miles in 20 minutes

which of the following is a characteristic of a public good?

La ce distanta de la suprafata Pamintului intensitatea cimpului sau gravidational este egala cu 1 N/kg ? Va rooogggg .. ofer 21 puncte !!!

Evaluate the expression when a = 3. 4a^4 A. 324 B. 48 C. 28 D. 11

Which words in the sentence make up the participial phrase? Kerri, Tony, Marvin, and I, confused by the signs, took the wrong exit for the mall. A. confused b

n the F2 generation of Mendel’s crosses, all plants had the dominant trait. half of the plants had the dominant allele. all plants had both the dominant and rec