Acidic and alkaline Flashcards

1
Q

What will happen if you put red litmus paper in a alkaline?

A

The litmus paper will turn blue.

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2
Q

What will happen if you put blue litmus paper in a acid?

A

The litmus paper will turn red.

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3
Q

What is the pH level of neutral?

A

It’s pH level is 7.

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4
Q

What is a pH paper?

A

A pH paper is an indicator that will show how acidic and alkaline that a substance is by showing a wide colour range.

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5
Q

What is a litmus paper?

A

A litmus paper is an indicator that will show how acidic and alkaline that a substance is by turning red or blue.

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6
Q

What is the product of neutralisation?

A

Salt and water are the products of neutralisation.

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7
Q

When do neutralisation happen in real life?

A

They happen when we want to use medicine for indigestion or heartburn the medicine neutralises the stomach acid for it to stop. This is an example of neutralisation happening in real life.

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8
Q

What are the characteristics of acids?

A

The characteristics of acids are :

:Sour taste.

:Ability to turn blue litmus paper red.

:Examples : citric acid, hydrochloric acid.

:Common applications : food preservation, cleaning products.

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9
Q

What are the characteristics of alkali/bases?

A

The characteristics of alkali/bases are:

: Bitter taste

: Ability to change red litmus paper blue.

:Examples : sodium Hydroxide, ammonia.

: Common applications : Household cleaning agents, personal care products.

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