Neutralisation

Products of a neutralisation reaction are always

• an acid and a base

• an acid and a salt

• salt and water

• salt and base

Why is toothpaste alkaline?

• It can neutralise strong alkaline in

  your mouth

• It can neutralise acid in

  your mouth

• It can refresh your teeth

• Toothpaste is not alkaline.

... are used to neutralise acid in the stomach.

• Toothpastes

• Bacterias

• Antacids

• More strong acids

H₂SO₄(aq) + 2KOH(aq) --> ____________ + 2H₂O(l)

• K₂SO₄

• KCl

• KNO3

• Mg(OH)_2

What method is used to study the neutralisation reaction between an acid and an alkali?

• Evaporation

• Titration

• Sublimation

• Electrolisis

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a neutralisation reaction, what is the function of the indicator?

• To indicate that the mixture is neutral

• To indicate that hot water should be added

• To indicate that the flask should be shaken

• To indicate that a precipitate is formed

What is the volume in this burette?

• 24.1mL
• 24.3mL
• 24.2L
• 24.2mL

I have 25 cm³ of 1.0 mol dm^-3 HCl which neutralises 20 cm³ of NaOH. What is the concentration of the NaOH?

• 0.8 mol dm^-3

• 1 mol dm^-3

• 1.25 mol dm^-3

• 2.50 mol dm^-3

50 cm³ of calcium hydroxide, Ca(OH)₂ was neutralised by 300.0 cm³ of hydrochloric acid, HCl having a pH of 1.3. What is the molarity of the calcium hydroxide, Ca(OH)_2 solution?

• 1.0 M

• 0.50 M

• 0.15 M

• 0.30 M

30 cm³ of sodium hydroxide, NaOH is neutralised by 12.3 cm³ of 0.2 mol dm^-3 hydrochloric acid, HCl solution. What is the concentration of the sodium hydroxide, NaOH solution?

• 82 mol dm^-3

• 0.82 mol dm^-3

• 0.49 mol dm^-3

• 0.082 mol dm^-3