Acids and Alkali Flashcards by Jai Parmar | Brainscape

Q

how do you dilute an acid or alkali

A

by adding water

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Q

what is concentration

A

the amount of substance in a given volume

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Q

the more acidic a substance the pH…

the more alkaline a substance…

A

the pH will be lower

- the pH will be higher

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Q

HCL+NaOH=

hydrochloric acid + sodium hydroxide ->

A

HCL+NaOH=NaCL+H20

sodium chloride + water

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Q

what color is ph1 on the pH scale

A

red

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Q

what colour is pH3 on the pH scale

A

orange

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Q

what colour is ph6 on the Ph scale

A

light green

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Q

what colour is ph10 on a pH scale

A

blue

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Q

what colour is ph13 on the pH scale

A

purple

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Q

if the colour on litmus paper was blue what ph would it be?

A

alkaline pH

greater than 8.3

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Q

what is an example of ethanoic acid

A

vinegar

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Q

what is an example of hydrocloric acid

A

stomach acid

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Q

what is an example of nitric acid

A

batteries

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Q

what is an example of sulphuric acid

A

paint

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Q

what is an example of phosphoric acid

A

fizzy drinks

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Q

what is an example of lactic acid

A

milk

Q

what does soluble mean

A

it means when a substance can dissolve in water

Q

what is the general equation for a neutralisation reaction

A

Acid + Alkali -> salt + water

Q

what compound is found in table salt

A

sodium chloride