Retrieval

What are the observations when Mg reacts with H2O (l)

• Effervescence

• White flame

• White powder

• Solid dissolves

What are the observations when Mg reacts with H2O (g)

• Effervescence

• White flame

• White powder

• Solid dissolves

Which hydroxide is 'insoluble'?

• Mg(OH)2

• Ca(OH)2

• Sr(OH)2

• Ba(OH)2

Which sulfate is insoluble?

• MgSO4

• CaSO4

• SrSO4

• BaSO4

What are the products when Cl2 reacts with water (in absence of sunlight)

• HCl

• H2

• Cl2

• HClO

What products are made when adding chlorine to cold, dilute NaOH

• NaClO

• NaCl

• HCl

• H2O

Which chemical(s) do you need to test for halide ions?

• AgNO3

• HNO3

• Ag

• N2

What do you need to test for ammonium ions?

• Gas syringe

• Litmus paper

• Water bath

• Sodium hydroxide

What are possible products when conc sulfuric acid reacts with sodium chloride?

• SO2

• S

• H2S

• NaHSO4

What are possible products when conc sulfuric acid reacts with sodium iodide?

• SO2

• S

• H2S

• NaHSO4