subject
Chemistry, 25.06.2019 05:00 elizabethhubbe

Water is a pure substance. which of the following is true about water? a a chemical change is requirec to seperate the elemnts present in it b a physical change requirec to seperate the elemnts present in it c it is amde of two compounds, each witha different set of atoms d it is made up of an ekement and a compoumd.

ansver
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 09:00, kkmonsterhigh18
The diagram below shows a cell placed in a solution. a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution. only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it. it will expand as water moves into it. it will shrink as water moves into it.
Answers: 2
image
Chemistry, 22.06.2019 11:00, 21villalobosjabez
Which type of fossil does this image depict?
Answers: 1
image
Chemistry, 22.06.2019 19:00, hmontalvo22
How many moles are contained in 5.6 l of h2 at stp
Answers: 3
image
Chemistry, 23.06.2019 08:50, leah5981
Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas. caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible. relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)
Answers: 3
You know the right answer?
Water is a pure substance. which of the following is true about water? a a chemical change is requi...

Questions in other subjects:

Konu
Mathematics, 23.02.2021 20:30
Konu
Mathematics, 23.02.2021 20:30
Konu
Spanish, 23.02.2021 20:30