4.1-what are litmus, phenolphthalein and methyl orange?		Red
4.1-what colour does a indicator go when in acid?		Red/blue
4.1-what colour does a indicator go when in alkali?		a effect on the rate of reaction
4.1-what colours does methyl orange go?		Indicators
4.1-what colours does phenophthalein go?		common chlorides are soluble, except silver chloride
4.1-what colours does limtus go?		a effect on the rate of reaction
4.2-what number on the pH scale is an acid?		common carbonates are insoluble, except those of sodium, pottasium and ammonium
4.2-what number on the pH scale is neutral?		Purple
4.2-what numbers on the pH scale is alkali?		all common sodium, pottasium and ammonium salts are soluble
4.4-what are acids sources of?		Hydrogen ions, H+
4.4-what are alkalis sources of?		8-14
2.39-what is the test for hydrogen?		7
4.6-what is one of solubility rules?		all nitrates are soluble
4.6-what is another one of solubility rules?		the minimum energy that reactants must have to react
4.6-name another solubility rule?		Colourless/pink
4.6-common sulfates are soluble, except those of barium and calcium is		what is used to explain the change of rate
4.6-what is one of solubility rules?		0-6
4.17-tempreture is		a effect on the rate of reaction
4.17-concentration is		Red/yellow
4.17-surface area is		a solubility rule
4.17-a catalyst is		a effect on the rate of reaction
4.20-the particle collision theory is		Pop test
4.19-activation energy is		Hydroxide ions, OH-