Which of the following steps is NOT part of qualitative analysis?

• Cation tests
• Heat tests
• Melting point test
• Solubility

Which of the following salts will produce a brown gas on heating?

• Lead(II) bromide
• Ammonium nitrate
• Potassium nitrate
• Zinc nitrate

A solution X when added into sodium carbonate solution turns limewater cloudy. which of the following is solution X?

• Aqueous ammonia solution
• Calcium hydroxide solution
• Vinegar
• Magnesium nitrate solution

Which of the following is insoluble?

• silver chloride

• zinc chloride

• potassium chloride

• ammonium chloride

Which method is used to prepare lead (II) chloride?

• Pb(NO₃)₂(aq) + NaCl (aq) --->

• PbSO₄(s)+ NaCl (aq) --->

• PbCO₃(s) + NaCl (aq) --->

Bryan wants to prepare silver chloride in the science laboratory. Which of the following reactants should he use?

• silver + hydrochloric acid

• silver hydroxide + hydrochloric acid

• silver nitrate + potassium chloride

• silver + chlorine gas

Suzy wants to prepare potassium sulphate by reacting an acid with potassium hydroxide. Name the acid used in this experiment.

• hydrochloric acid

• nitric acid

• sulphuric acid

In order to obtain a soluble salt from a solution, which of the following methods should be used

• filtration

• crystallization

• distillation

• fractional distillation

Titration method is used to prepare salts from...

• Acid + Metal
• Acid + Alkali
• Base + Ammonium Salt
• Two Aqueous Solutions

What is the colour of hydrated Copper (II) sulphate?

• White

• Blue

• Pink

• Brown