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SHHS - Science - C1.4 Acids and Alkalis > C1.4.4 Making Salts > Flashcards

C1.4.4 Making Salts Flashcards

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1
Q

Acid + Alkali –>

A

Acid + Alkali –> Salt + Water

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2
Q

Magnesium + Hydrochloric Acid –>

A

Magnesium + Hydrochloric Acid –> Magnesium Chloride + Hydrogen

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3
Q

What is the chemical formula for Nitric Acid?

A

HNO3

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4
Q

What is the chemical formula for Sodium Chloride (table salt)?

A

NaCl

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5
Q

Acid + Base –>

A

Acid + Base –> Salt + Water

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6
Q

Explain the similarities and differences between the reactions of sulfuric acid, H2SO4, with copper and with copper oxide. You should use balanced equations as part of your explanation and make reference to why the products may be different.

A
  1. Both will involve the H+ being displaced by the copper.
  2. Both will form the salt copper sulfate, CuSO4.
  3. Both would be exothermic changes.
  4. H2SO4 + Cu → CuSO4 + H2O
  5. H2SO4 + CuO → CuSO4+ H2
  6. Copper oxide will react with sulphuric acid to produce water as oxygen is present and this joins with the 2H+ from the acid.
  7. Copper produces hydrogen gas as there is no oxygen available to join with the H+ to form water.
  8. A gas would be release when copper reacts, so this reaction would fizz, the reaction with copper oxide would not.
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7
Q

What is the chemical formula for Hydrochloric Acid

A

HCl

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8
Q

Sulfuric Acid produces which type of salt?

A

Sulfate salts (ending in SO4)

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9
Q

Metal + Acid –>

A

Salt + Hydrogen

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10
Q

How can we test for hydrogen gas?

A

Collect the gas

Hold a lit splint next to it

Squeaky pop = hydrogen!

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11
Q

Hydrochloric Acid produces which type of salt?

A

Chloride salts (ending in ‘Cl’)

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12
Q

How can we make salts?

A

Metal + Acid

Acid + Alkali

Base + Alkali

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13
Q

H+ + OH- –>

A

H+ + OH- ​–> H2O

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14
Q

What is the chemical formula for Sulfuric Acid

A

H2SO4

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15
Q

Sulfuric Acid + Copper Oxide –>

A

Sulfuric Acid + Copper Oxide –> Copper Sulfate + Water

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16
Q

Nitric Acid produces which type of salt?

A

Nitrate salts (ending in NO3)

17
Q

Zinc + Sulfuric Acid –>

A

Zinc + Sulfuric Acid –> Zinc Sulfate + Hydrogen

18
Q

Describe what a salt is.

A

Formed by reaction of a metal with an acid

Hydrogen atoms of the acid are replaced by the atoms of the metal element.

SHHS - Science - C1.4 Acids and Alkalis (4 decks)

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