Applications of Neutralisation

Complete the word equation below:

Acid + Base --> ............... + water

• water

• salt

• gold

• metal

Toothpaste contain .................. that neutralize acid formed by bacteria.

• base

• acid

• antacid

• slaked lime

Excess acids in stomach can be neutralized using ............

• antacid

• vinegar

• slaked lime

• hydrochloric acid

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 colour is Universal indicator when the solution is neutral?

• Red

• Green

• Blue

• Purple

What is neutralisation?

• This is a reaction between an acid and water to form salt and base.

• This is a reaction between an acid and base to form salt and water.

• This is a reaction between a base and salt to form water and acid.

• This is a reaction between salt and water to form acid and base

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When the soil is too acidic , it is treated with :

• quick lime

• by adding organic matter

• Hydrochloric acid

• Nitric acid

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The wastes of many factories contain acids

• true

• false

Tags

NGSS.MS-PS1-2

Antacids contain .................. to neutralise stomach acid

• sodium hydroxide

• magnesium hydroxide

• lithium hydroxide

• potassium hydroxide

Tags

NGSS.MS-PS1-5

Acidic waste gases are neutralised by sprays of calcium hydroxide before they are released into the atmosphere. This reduces the possibility of creating harmful

• respiratory diseases

• bacterial growth

• acid rain

• skin infections