Changing the way you learn

Question 1

Question

In a flame, lithium compounds turn it .......

Answer

Lilac
Green
Yellow
Crimson
Red

Question 2

Question

In a flame, Sodium compounds turn it .......

Answer

Crimson
Lilac
Yellow
Green
Red

Question 3

Question

In a flame, potassium compounds turn it ....

Answer

Green
Lilac
Red
Crimson
Yellow

Question 4

Question

In a flame, calcium compounds turn it...

Answer

Red
Green
Crimson
Yellow
Lilac

Question 5

Question

In a flame, barium compounds turn it .....

Answer

Yellow
Lilac
Crimson
Red
Green

Question 6

Question

How can Halide ions be tested?

Answer

Flame test
With Sodium Hydroxide
Bromine Test
With Silver Nitrate

Question 7

Question

Silver Chloride is a ........ precipitate.

Answer

White
Cream
Pale yellow

Question 8

Question

Silver Bromide is a ...... precipitate

Answer

Cream
White
Pale yellow

Question 9

Question

Silver Iodide is a .......... precipitate.

Answer

Cream
White
Pale yellow

Question 10

Question

One can test for aluminium ions, calcium ions and magnesium ions with ......

Answer

A flame test
Bromine wate
Sodium hydroxide
Silver nitrate

Question 11

Question

Aluminium, calcium and magnesium ions form ......... precipitates with sodium hydroxide solution

Answer

blue
white
green
cream

Question 12

Question

Copper (2), iron (2) and iron (3) ions can be tested ....

Answer

with sodium hydroxide solution
with a flame test
in bromine water
with silver nitrate

Question 13

Question

In excess sodium hydroxide solution, copper (2) ions form ......... precipitates.

Answer

green
blue
brown

Question 14

Question

In excess sodium hydroxide solution, iron (2) ions form ....... precipitates.

Answer

green
brown
blue

Question 15

Question

In excess sodium hydroxide solution, iron (3) ions form ....... precipitates.

Answer

brown
green
blue

Question 16

Question

During the Haber Process, hydrogen & nitrogen react together in these conditions:

Answer

400 degrees c
350 degrees c
450 degrees c
200 atmospheres
150 atmospheres
350 atmospheres
with a nickel catalyst
with a copper catalyst
with an iron catalyst

Question 17

Question

In a reversible reaction when the temperature is increased the yield from the ........

Answer

endothermic reaction increases and the yield from the exothermic decreases
endothermic reaction decreases and the yield from the exothermic increases

Question 18

Question

In a reversible reaction when the temperature is decreased the yield from the ........

Answer

endothermic reaction increases and the yield from the exothermic reaction decreases.
endothermic reaction decreases and the yield from the exothermic reaction increases.

Question 19

Question

Group 1 metals react with water, releasing

Answer

carbon dioxide
oxygen
hydrogen

Question 20

Question

Group 1 metals, form .......... that dissolve in water to give ........... solutions

Answer

carbonates
acids
hydroxides
acidic
alkaline

Question 21

Question

In gaseous reactions, an increase in pressure favours the reaction that produces the ..... number of molecules

Answer

least
most

Question 22

Question

Alcohols react sodium to produce .....

Answer

carbon dioxide
sodium chlroide
hydrogen
oxygen

Question 23

Question

Carboxylic acids are part of the ..... molecular group.

Answer

(-OH)
(-COO-)
(-COOH)

Question 24

Question

Carboxylic acids, react with alcohols in the presence of an ........ catalyst to produce .............

Answer

acid
alkaline
nickel
esters
a stronger acid
a weaker acid

Question 25

Question

Esters are part of the ..... molecular group

Answer

(-COO-)
(-OH)
(-COOH)

Question 26

Question

Newlands, and then Mendeleev, attempted to classify the elements by arranging them in order of their

Answer

atomic weights
atomic structure
atomic numbers

Question 27

Question

when electrons, protons and neutrons were discovered early in the 20th century, the periodic table was then arranged in order of

Answer

Atomic mass
Atomic structure
Atomic numbers

Question 28

Question

In Group 1, the more easily electrons are lost, the ........... number of shells

Answer

higher
lower
same

Question 29

Question

The less easily electrons are gained therefore the ........ number of shells is more reactive

Answer

lower
higher
same

Question 30

Question

What may be added to drinking water to reduce microbes and fluorides?

Answer

Oxygen
Chlorine
Weak acids
Iodine
Bromine

Question 31

Question

Is bond breaking exothermic or endothermic?

Answer

Endothermic
Exothermic
Both

Question 32

Question

Is bond formation exothermic or endothermic?

Answer

Exothermic
Endothermic
Both

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Chemistry AQA C3

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Question 32

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	Created by Oliver Cusack over 9 years ago