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Acids, Periodic Table and Groups Flashcards | StudBud
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Acids, Periodic Table and Groups
Acids, Periodic Table and Groups
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3rd form revision quiz.
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
What colour is iodine vapour?
Purple
Brown
Dark grey
Orange
2
Under what conditions would universal indicator be green?
Neutral
Strongly acidic
Weakly acidic
Strongly alkaline
3
What is the trend in boiling point in the halogen group?
No pattern
Increases as you go down the group
All the same
Decreases as you go down the group
4
Which of these shows the correct equation for sodium reacting with chlorine?
2Na + Cl2 --> 2NaCl
Na + Cl --> NaCl
Na + Cl2 --> NaCl2
2Na + Cl --> Na2Cl
5
What colour flame is produced when potassium burns in oxygen?
Green
Yellow
Red
Lilac
6
Which of these is a property of metals?
Poor conductor of electricity
Low melting point
Brittle
Good conductor of heat
7
What pH would a strong alkali be?
11-14
4-6
8-10
1-3
8
Would you expect Astatine to be more or less reactive than iodine?
More
The same
Less
9
Which compound is produced when lithium reacts with oxygen?
Lithium oxalate
Lithium hydroxide
Lithium oxide
Lithium oxygen
10
What does "sonorous" mean?
Can be hammered into shape
Shatters when hit
Rings when struck
Can be pulled into wires
11
Why is group 1 called the Alkali Metals?
They form alkalis when they react with water
They form alkalis when they react with chlorine
They are alkaline
They react with alkalis
12
Which of these is NOT an acid?
H2SO4
HCl
HNO3
NaOH
13
What is the trend in reactivity as you move down group 7?
No pattern
Decreases as you move down the group
Increases as you move down the group
All the same
14
What colour does iodine go when it is dissolved in water?
Pale green
Dark grey
Brown
Purple
15
What is formed when chlorine is dissolved in water?
Salt solution
Neutral solution
Acid solution
Alkali solution
16
What colour does methyl orange go in strong acid?
Red
Yellow
Pink
Colourless
17
What would you expect the product to be when rubidium reacts with bromine?
They won't react
Rubidium bromate
Rubidium bromide
Rubidium bromine
18
On the periodic table, the elements are in order of ... what?
Atomic number
Atomic mass
Reactivity
Colour
19
How does the melting point of the alkali metals change?
Decreases as you move down the group
They are all the same
Increases as you move down the group
No pattern
20
Which of these is a way that alkali metals are similar to ordinary metals?
They are soft
They conduct electricity
They have relatively low melting points
They have low densities
21
Which of these metals is the most reactive?
Rubidium
Lithium
Potassium
Sodium
22
Which of these describes bromine?
Dark grey solid
Yellow gas
Red liquid
Pale green gas
23
What is the name for the group 7 elements?
Transition metals
Halogens
Noble gases
Alkali metals
24
Would you expect Rubidium to be more or less reactive than Caesium?
Less
More
The same
25
What gas is produced when sodium reacts with water?
Nitrogen
Oxygen
Carbon dioxide
Hydrogen
