Salts : Physical Properties of Salt

Salt X soluble in water produced blue colour.

Possibly salt X contains....

• Iron(lll) ion

• Iron(ll) ion

• Copper(ll) ion

• Zinc ion

Salt Y soluble in water produce brown solution.

Possibly salt Y contains ...

• Copper(ll) ion

• Iron(ll) ion

• Iron(lll) ion

• Ammonium ion

Solid X is green colour.

Which of the following is a possibility of salt X?

• Iron(lll) chloride

• Iron(ll) sulphate

• Copper(ll) carbonate

• Copper(ll) chloride

Salt A powder has green colour and insoluble in water.

What us salt A?

• Copper(ll) chloride

• Copper(ll) carbonate

• Iron(ll) carbonate

• Iron(ll) sulphate

Green solid salt A dissolved in water produce green colour solution.

Salt A could be

• Copper(ll) carbonate

• Iron(ll) nitrate

• Copper(ll) chloride

Green colour of salt A dissolves in water produce blue colour solution.

• Copper(ll) chloride

• Copper(ll) sulphate

• Copper(ll) nitrate

• Copper(ll) carbonate

Which of the following salts powder is white colour.

• Ammonium nitrate

• Iron(lll) chloride

• Iron(ll) nitrate

• Lead(ll) oxide

When hot this substance in yellow colour. But when cold it turns to white colour. This is

• Lead(ll) oxide

• Zinc oxide

• Iron(lll) oxide

• Iron(ll) oxide

Which of the following is white solid and dissolves in water?

• Sodium carbonate

• Barium sulphate

• Calcium chloride

• Magnesium carbonate

Iron(lll) salts has.... colour

• Green

• Brown

• Blue

• Black