reynbabies2 reynbabies2

03-11-2021
Chemistry

contestada

How can you identify gas in a chemical reaction without observing the atoms or molecules?

Respuesta :

sarahjeylani90 sarahjeylani90

03-11-2021

Answer:

There are five signs of a chemical change:

Colour Change.

Production of an odour.

Change of Temperature.

Evolution of a gas (formation of bubbles)

Precipitate (formation of a solid).

Answer Link

Otras preguntas

Which best describes the significance of the Epic of Gilgamesh? a. It is a classic epic and a source of information on Sumerian values. b. It explains why the

In which one of the following sentences would the word cheerful correctly complete the statement? A. Carolyn talked _______ about her experience. B. Jonathan p

for homework, Brooke has 15 math problems, 5 social studies, and 9 science problems use mental math to determine how many problems she has for homework. tell w

what is $7.40 for 5 pounds

is the relationship between the 7s in 7742 and the 7s in 7785 different in any way

which of the following structures develops into a pollen grain? A. Microspore B. Anther C. Megaspore D. Archegonium

write all the numbers that round to 240

another word for not perfect. having a defect

Is it true that as long as you read carefully through the instructions for a science activity, you will be safe?

what is the opposite of 4.2