sa4rindreaavriaangs sa4rindreaavriaangs

03-01-2016
Chemistry

contestada

11 Which substance can not be broken down by a chemical change?
(1) ammonia (3) ethane
(2) arsenic (4) propanal

Respuesta :

Megan170398 Megan170398

03-01-2016

(2) Arsenic. It is an element and elements are chemically the simplest units and cannot be broken down by any chemical change.

Answer Link

Otras preguntas

What does CPU stand for. And it is the _____ of the computer

Together, tom and max have 72 football cards. Tom has 2 more than 4 times as many cards as Max has. How many football cards does tom have?

2 4/9 divided by 8/15

how do 7.6 be written in word form

The absolute value of a fraction

what does a trapezium look like

The three stages in the development of a full tropical cyclone are formative, mature, and

All of the following are population characteristics EXCEPT (A) number of individuals (B) phenotype (C) sex ratio (D) age distribution (E) death rate

One of the biggest pull factors that lured people to move West was cheap land. true or false

As rain mixes with chemicals such as sulfur dioxide in the air, acid rain is produced. This may result in (A) lowering the pH in ponds, thus limiting the surviv