Chemistry, 09.07.2019 10:30 DesperatforanA
9) from the list below, identify which situation(s) contain chemical changes. i) a pot of water is being heated on a stove. bubbles form and condensation appears on the lid of the pot. ii) a translucent, blue copper (ii) sulfate solution is mixed with another solution and changes to a translucent lighter blue color. iii) ammonium nitrate solid dissolves in water and feels very cold. iv) red and blue paint are mixed together and the color purple appears. a) i and ii b) iii only c) ii, iii and iv d) i, ii and iii
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Chemistry, 22.06.2019 01:00, baileysosmart
The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 3
Chemistry, 22.06.2019 06:30, backup5485
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
Chemistry, 22.06.2019 13:00, netflixacc0107
Amixture with the same composition throughout is!
Answers: 1
9) from the list below, identify which situation(s) contain chemical changes. i) a pot of water is b...
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