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Chemistry > Methods of salt > Flashcards

Methods of salt Flashcards

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1
Q

Definition of salt

A

A type of compound that contains of metal atoms joined to non-metal atoms ,e.g. sodium chloride.

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2
Q

Definition of Alkali

A

A bas soluble in water.

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3
Q

Definition of alkaline solution

A

A solution formed when a base dissolves in water, e.g. sodium hydroxide.

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4
Q

Definition of base

A

A compound that can react with an acid and neutralize it.

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5
Q

Definition of Filtration

A

Separating technique used to remove an insoluble solid from a solution.

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6
Q

Definition of evaporation

A

Separating technique used to remove water from a solution

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7
Q

Definition of crystallization

A

The formation of crystals from their solutions.

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8
Q

How is salt made? On what does the type of the salt depend?

A

A salt is formed when metals and metal carbonates react with acids. The type of the salt made in the reaction depends on the acid used.

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9
Q

How do we name a salt? Share an example.

A

The first part of the salt’s name is always the name of a metal element. The metal comes from the metal or base used. The second part of the salt’s name is from the acid used.

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10
Q

Hydrochloric acid-
Sulfuric acid-
Nitric acid-
Acetic acid-

A

Hydrochloric acid- Chloride
Sulfuric acid- Sulfate
Nitric acid- Nitrate
Acetic acid- Acetate

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11
Q

What happens when a metal reacts with an acid? Write the general equation.

A

When a metal reacts with an acid, salt is formed. E.g.

Metal + Acid————> Salt + Hydrogen

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12
Q

What happens when zinc reacts with sulfuric acid? Write the word as well as the symbol equations.

A

Zinc reacts with sulfuric acid to form the salt zinc sulfate. Hydrogen is also made. The word equation is :
Zinc + Sulfuric acid —-> Zinc Sulfate + Hydrogen
Zn + H2SO4 ——-> ZnSO4 + H2

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13
Q

Write the general equation when a metal carbonate reacts with an acid.

A

Metal Carbonate + Acid —-> Salt + Water + Carbon dioxide

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14
Q

What happens when calcium carbonate reacts with hydrochloric acid?

A

When calcium carbonate reacts with hydrochloric acid -calcium chloride, water and carbon dioxide.

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15
Q

Write the word equation as well as symbol equations of the reaction.

A

Calcium carbonate + Hydrochloric acid —–> Calcium chloride + Water + Carbon dioxide

CaCO3 + 2HCL —–> CaCl2 + H2O + CO2

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16
Q

Name the salt when magnesium reacts with hydrochloric acid.

A

Magnesium chloride

17
Q

Write the word equation for the reactions between

zinc carbonate and sulfuric acid

A

Zinc Carbonate + Sulfuric acid ———> Zinc Sulfate + Water + Carbon dioxide
ZnCO3 + H2SO4 ———-> ZNSO4 + H20 + CO2

18
Q

Write the word equation for the reactions between

iron carbonate and hydrochloric acid

A

Chemistry (3 decks)

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