C. Chemical reactions Flashcards

1
Q

What is an element?

A

A substance containing only 1 type of atom

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2
Q

What is a compound?

A

2 or more elements chemically combined

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3
Q

What is a reactant?

A

A substance that takes part in a chemical reaction

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4
Q

What is a product?

A

A substance produced in a chemical reaction

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5
Q

What does the prefix mono mean?

A

1

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6
Q

What does the prefix di mean?

A

2

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7
Q

What does the prefix tri mean?

A

3

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8
Q

What does the prefix tetra mean?

A

4

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9
Q

On which side of a chemical equation are reactants found?

A

The Left Hand Side (LHS)

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10
Q

On which side of a chemical equation are products found?

A

The Right Hand Side (RHS

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11
Q

What does the “+” sign mean on the LHS of an equation?

A

Reacts with

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12
Q

What does the arrow mean in a chemical equation?

A

“To produce”

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13
Q

What does the + sign on the RHS of a word equation mean?

A

And

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14
Q

What is ALWAYS produced in a chemical reaction?

A

A new substance

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15
Q

What are the 5 signs of a chemical reaction?

A

Gas given off

Colour change

Smell

Energy change (temperature, light)

Solid formed

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16
Q

How can we detect energy changes in a reaction?

A

Using a thermometer to detect change in temp

Feeling heat given off by a reaction

Hearing sound energy

Seeing Light energy

17
Q

What separation technique do we if there is an insoluble substance in water?

A

Filtration

18
Q

Name the part shown

A
19
Q

Name the part shown

A

Filter paper

20
Q

Name the part shown

A

Erlenmeyer (Conical ) Flask

21
Q

Name the part shown

A

Filtrate

22
Q

Name the part shown

A

Residue

23
Q

What is an “ore”?

A

A naturally occurring metal compound

24
Q

What is meant by “extraction”?

A

Obtaining a metal from its ore

25
Q

What 3 methods are used to extract metels fom their ores?

A
  1. Heating
  2. Heating with Carbon
  3. Electrolysis
26
Q

What is meant by “electrolysis”?

A

Breaking apart a compound using electricity