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Learning About Making salts - Grade 8 > Making Salts > Flashcards

Making Salts Flashcards

1
Q

What is Salt ?

A

A Salt is any compound formed by the neutralisation of an acid by a base

The name of the salt has 2 parts. The first part comes from the metal, metal oxide or metal carbonate. The second part comes from the acid.

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2
Q

Which acid is used to make salt that have names ending in sulfate ?

A

Sulfuric acid

Sulfuric acid reacts with metals , alkalis and carbonate and metal oxides to produce salt whose names end in sulfate

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3
Q

What ion is present in nitric acid?

A

NO3
Nitric acid contains hydrogen ion(like all acids) but it also contains NO3 ion. This is called nitrate ion and is present in any nitrate salt

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4
Q

Zinc oxide + nitric acid

A

Zinc nitrate + water

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5
Q

Which two chemicals could you react to make ammonia chloride?

A

Ammonium hydroxide + hydrochloric acid

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6
Q

Calcuim carbonate + hydrochloric acid

A

Calcium chloride + water + carbondioxide

Calcium chloride is made because hydrochloric acid was used. Water n carbon dioxide are the other products in a reaction of an acid with a carbonate .

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7
Q

Which of these salt is most likely to he soluble ?

A

Potassium nitrate

Potassium nitrate is soluble in water because all potassium salts are soluble and all nitrates are also soluble

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8
Q

What is the name of the precipate made from the reaction between sliver nitrate and sodium chloride?

A

Sliver chloride

Sliver chloride is insoluble so its produced as precipitate in this reaction

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9
Q

When producing a soluble salt in a reaction between an acid and an alkali, how can you prepare dru solid crystals from the solution ?

A

Evaporating the water from the solution by heating it will leave behind crystals of the salt . Filtration is used to separate insoluble solids from liquids

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10
Q

When perfoming an acid alkali titration, what piece of apparatus is ised to place a fixed volume of the first solution in to the conical flask ?

A

Pipette

A pipette is used to put a fixed volume (usually 25 cm cubed) in to conical flask before adding the indicator

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11
Q

When processing titration results what do you do with results that are very close together?

A

Take n average

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12
Q

What is indicator ?

A

Indicators are used to determine whether a solution is a acidic or alkaline .

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13
Q

How salt is made ?

A

Acid reacts with metal, bases and carbonates to produce salt

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14
Q

What is neutralisation

A

Neautralisation is the reaction between an acid and a base

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15
Q

Whats the ph scale of acid

A

Acidic solution have ph values less than 7

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16
Q

When Acid reacts with metal what products are made

A

Salt + Hydrogen

Learning About Making salts - Grade 8 (1 decks)

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