sharongrace2017 sharongrace2017

04-05-2020
Chemistry

contestada

Give reason. (a) Copper metal is a pure substance (b) A copper metal alloy brass is a mixture

Respuesta :

finestyungin finestyungin

04-05-2020

the answer will be B

Answer Link

Otras preguntas

Where was the 1979 nuclear power accident that occurred near Harrisburg, PA? a. Three Mile Island b. Love Canal c. Buffalo Creek d. Michigan

7:6=21: what is the ratio

What material do they use to conserve heat in a EVA suit on the ISS?

Marco has a jug with 37 1/2 ounces of juice.He wants small cups to give samples of the juice. each cup can hold 2 1/2 ounces of juice.how many cups can marco fi

Assume that all chickens have 3290 feathers . If it takes you 2.6 seconds to pluck 83.6 feathers , how many hours would it take you to defeat her 7256 chickens

Which type of sedimentary rock can be formed by the evaporation of a lake? A. organic B. chemical C. fragmental

Which of the following has NOT aided historians in dating events in the remote past? A. geological stratification B. radioactive dating C. written records

Which processes may release carbon dioxide into the atmosphere? Select all that apply. a. animal respiration b. volcanic eruptions c. burning fossil fuels d.

were the textile factories bad for the health of English workers?

Which of the following best describes a plane? A. The edge of a desk B. A curve in a road C. The point of intersection of two walls D. The surface of a flat tab