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GCSE Chemistry 2.5 Salts And Electrolysis > 5.2 Making Salts From Metals Or Bases > Flashcards

5.2 Making Salts From Metals Or Bases Flashcards

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1
Q

Name two materials whose reactions with acids are too violent to be done safely?

A

Very reactive metals such as sodium and potassium

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2
Q

State the words equation for when metals react with acids

A

Metal + acid –> a salt + hydrogen

Mash

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3
Q

Name a metal that can safely react with an acid to produce a salt

A 
•zinc 
•lead
•tin
•iron 
Etc
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4
Q

What type of substance are metal oxides or metal hydroxides?

A

Bases

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5
Q

What is the word equation for neutralisation reactions?

A

Acid + base –> a salt + water

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6
Q

Name 2 reactions that can be used to produce a salt

A
  • MASH

* neutralisation

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7
Q

How do insoluble metals or bases react with acids?

A
  1. It is added a little bit at a time to the acid until all of the acid has reacted
  2. The mixture is then filtered to remove the excess solid reactant to leave a solution of the salt
  3. Evaporate the water from the solution to leave the salt to crystallise
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8
Q

Why do we add excess of the base when making a salt?

A

To neutralise all of the acid

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9
Q

What are chillies made from?

A

Hydrochloric acid

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10
Q

What are nitrates made from?

A

Nitric acid

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11
Q

What are sulfates made from?

A

Sulphuric acid

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12
Q

What is the chemical formula of hydrochloric acid?

A

HCl

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13
Q

What is the chemical formula for nitric acid?

A

HNO3

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14
Q

What is the chemical formula for sulphuric acid?

A

H2SO4

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15
Q

What is produced when nitric acid reacts with magnesium?

A

Magnesium nitrate + hydrogen

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16
Q

What is produced when hydrochloric acid reacts with copper hydroxide?

A

Copper chloride + water

17
Q

What metals will acids react with?

A

Metals that are above hydrogen in the reactive series

GCSE Chemistry 2.5 Salts And Electrolysis (10 decks)

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