Seudónimo Seudónimo

01-07-2020
Chemistry

contestada

Classify the changes involved in the following processes as physical or chemical changes: (a) Photosynthesis (b) Dissolving sugar in water (c) Burning of coal (d) Melting of wax (e) Beating aluminium to make aluminium foil (f) Digestion of food

Respuesta :

favour89 favour89

02-07-2020

Explanation:

a. chemical change

b. Physical change.

c. chemical change.

d. chemical change

e. Physical change.

f. chemical change.

Answer Link

Otras preguntas

In the city election, the mayor received 0.79 of the votes. What percentage of the votes did the mayor receive ?

find the rate of change for y=4x-1

Read the excerpt below and answer the question. The incident had occurred and was gone for me: it was an incident of no moment, no romance, no interest in a s

7x + 2(-2x + 1) = 29 has one , none , or infinite solutions ? explain.

Use this result to find the work done if this force field moves an object from the point (-2,3) along the piecewise linear path to (1,3), and from there to (2,4

Science Which of the following helps ensure a groups access to resources it needs for survival? A courtship ritual B hibernation C conditioning D territorial be

Explain what is meant by "Manifest Destiny" and describe how belief in that idea was a main reason for the United States going to war with Mexico. PLZ HELP

Dilate triangle ABC by a factor of 2 around point A. What are the coordinates of B Q1 (1,0) Q2 (1,-1) Q3 (1,-2) Q4 (2,-4)

Help again if you can :) thank you

Nina types 126 words in 3 minutes. Write an equation that shows the relationship between the number of words,w,and the time,in minutes,m,which she types.