A.O2.B.Al(OH)3.C.Al2O3.D.Al.
A.NaNO3.B.Ca(OH)2.C.NaOH.D.Ca(HCO3)2.
A.HCl.B.KOH.C.Na2SO4.D.NaCl.
A.2B.3C.6D.4
A.Polistiren.B.Tơ nilon-6,6.C.Polietilen.D.Tơ olon.
A.\(\left\{ {\left( { - 3;7} \right);\left( { - 1;3} \right);\left( {0; - 1} \right);\left( {0;1} \right);\left( {1;3} \right);\left( {7;27} \right)} \right\}\)B.\(\left\{ {\left( { - 3;7} \right);\left( { - 1;3} \right);\left( {0; - 1} \right);\left( {0;1} \right);\left( {1;3} \right);\left( {8;27} \right)} \right\}\)C.\(\left\{ {\left( { - 3;7} \right);\left( { - 1;2} \right);\left( {0; - 1} \right);\left( {0;1} \right);\left( {1;3} \right);\left( {7;27} \right)} \right\}\)D.\(\left\{ {\left( { - 3;7} \right);\left( { - 1;3} \right);\left( {1; - 1} \right);\left( {0;1} \right);\left( {1;3} \right);\left( {7;27} \right)} \right\}\)
A.Fructozơ.B.Sobitol.C.Saccarozơ.D.Glucozơ.
A.Al.B.Ag.C.Cu.D.Fe.
A.Al2(SO4)3, KOH.B.NaAlO2, HCl.C.AlCl3, NH3.D.AlCl3, NaOH.
A.HCl loãng.B.NaHSO4.C.H2SO4 loãng.D.HNO3 loãng.
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