{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

1

A acidify with dilute nitric acid, then add aqueous silver nitrate

B add aqueous sodium hydroxide, then aluminium foil; warm carefully

C add dilute acid

D acidify, then add aqueous barium nitrate

1

A white ppt.

B cream ppt.

C ammonia produced

D effervescence, carbon dioxide produced

1

A add dilute acid

B acidify with dilute nitric acid, then add aqueous silver nitrate

C add aqueous sodium hydroxide, then aluminium foil; warm carefully

D acidify, then add aqueous barium nitrate

1

A effervescence, carbon dioxide produced

B cream ppt.

C white ppt.

D ammonia produced

1

A acidify with dilute nitric acid, then add aqueous silver nitrate

B add aqueous sodium hydroxide, then aluminium foil; warm carefully

C

acidify, then add aqueous barium nitrate

D add dilute acid

1

A effervescence, carbon dioxide produced

B white ppt.

C cream ppt.

D ammonia produced

1

A add dilute acid

B acidify with dilute nitric acid, then add aqueous silver nitrate

C add aqueous sodium hydroxide, then aluminium foil; warm carefully

D acidify, then add aqueous barium nitrate

1

A ammonia produced

B white ppt.

C cream ppt.

D effervescence, carbon dioxide produced

1

A add dilute acid

B acidify with dilute nitric acid, then add aqueous silver nitrate

C add aqueous sodium hydroxide, then aluminium foil; warm carefully

D acidify, then add aqueous barium nitrate

1

A effervescence, carbon dioxide produced

B white ppt.

C cream ppt.

D ammonia produced

1

A light blue ppt., insoluble in excess

B green ppt., insoluble in excess

C red-brown ppt., insoluble in excess

D ammonia produced on warming

E white ppt., insoluble in excess

F white ppt., soluble in excess, giving colourless solution

1

A ight blue ppt., insoluble in excess

B green ppt., insoluble in excess

C red-brown ppt., insoluble in excess

D ammonia produced on warming

E white ppt., insoluble in excess

F white ppt., soluble in excess, giving colourless solution

1

A no ppt. or very slight white ppt.

B light blue ppt., soluble in excess, giving a dark blue solution

C green ppt., insoluble in excess

D red-brown ppt., insoluble in excess

E white ppt., soluble in excess, giving a colourless solution

1

A light blue ppt., insoluble in excess

B green ppt., insoluble in excess

C red-brown ppt., insoluble in excess

D white ppt., insoluble in excess

E ammonia produced on warming

F white ppt., soluble in excess, giving colourless solution

1

A no ppt. or very slight white ppt.

B green ppt., insoluble in excess

C light blue ppt., soluble in excess, giving a dark blue solution

D red-brown ppt., insoluble in excess

E white ppt., soluble in excess, giving a colourless solution

1

A light blue ppt., insoluble in excess

B white ppt., insoluble in excess

C ammonia produced on warming

D white ppt., soluble in excess, giving colourless solution

E green ppt., insoluble in excess

F red-brown ppt., insoluble in excess

1

A light blue ppt., soluble in excess, giving a dark blue solution

B no ppt. or very slight white ppt.

C red-brown ppt., insoluble in excess

D green ppt., insoluble in excess

E white ppt., soluble in excess, giving a colourless solution

1

A green ppt., insoluble in excess

B white ppt., soluble in excess, giving colourless solution

C light blue ppt., insoluble in excess

D white ppt., insoluble in excess

E ammonia produced on warming

F red-brown ppt., insoluble in excess

1

A white ppt., soluble in excess, giving a colourless solution

B light blue ppt., soluble in excess, giving a dark blue solution

C red-brown ppt., insoluble in excess

D no ppt. or very slight white ppt.

E green ppt., insoluble in excess

1

A ammonia produced on warming

B white ppt., insoluble in excess

C red-brown ppt., insoluble in excess

D white ppt., soluble in excess, giving colourless solution

E green ppt., insoluble in excess

F light blue ppt., insoluble in excess

1

A white ppt., soluble in excess, giving a colourless solution

B red-brown ppt., insoluble in excess

C light blue ppt., soluble in excess, giving a dark blue solution

D green ppt., insoluble in excess

E no ppt. or very slight white ppt.

Testing for Ions and Gases (Co-ordinated Science 2019-2021)