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Chemistry, 22.06.2019 20:10
Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)
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Chemistry, 23.06.2019 05:40
Why is any chemical reaction always balanced? give reasons and explain the easiest way to solve the balancing problems in chemical equations with stoichiometric coefficients upto 20 as hit and trial doesn't always work. give full reasoning
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Chemistry, 23.06.2019 05:50
Which of the following isotopes has the same number of neutrons as phosphorus-31?
Answers: 1
Chemistry, 23.06.2019 07:50
Asolution is produced in which water is the solvent and there are four solutes. which of the solutes can dissolve better if the solution is heated?
Answers: 1
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