2469942
Descrição
Quiz por Oliver Cusack, atualizado more than 1 year ago
|
Criado por Oliver Cusack
aproximadamente 9 anos atrás
|
|
Questão 1
Questão
In a flame, lithium compounds turn it .......
Responda
-
Lilac
-
Green
-
Yellow
-
Crimson
-
Red
Questão 2
Questão
In a flame, Sodium compounds turn it .......
Responda
-
Crimson
-
Lilac
-
Yellow
-
Green
-
Red
Questão 3
Questão
In a flame, potassium compounds turn it ....
Responda
-
Green
-
Lilac
-
Red
-
Crimson
-
Yellow
Questão 4
Questão
In a flame, calcium compounds turn it...
Responda
-
Red
-
Green
-
Crimson
-
Yellow
-
Lilac
Questão 5
Questão
In a flame, barium compounds turn it .....
Responda
-
Yellow
-
Lilac
-
Crimson
-
Red
-
Green
Questão 6
Questão
How can Halide ions be tested?
Responda
-
Flame test
-
With Sodium Hydroxide
-
Bromine Test
-
With Silver Nitrate
Questão 7
Questão
Silver Chloride is a ........ precipitate.
Responda
-
White
-
Cream
-
Pale yellow
Questão 8
Questão
Silver Bromide is a ...... precipitate
Responda
-
Cream
-
White
-
Pale yellow
Questão 9
Questão
Silver Iodide is a .......... precipitate.
Responda
-
Cream
-
White
-
Pale yellow
Questão 10
Questão
One can test for aluminium ions, calcium ions and magnesium ions with ......
Responda
-
A flame test
-
Bromine wate
-
Sodium hydroxide
-
Silver nitrate
Questão 11
Questão
Aluminium, calcium and magnesium ions form ......... precipitates with sodium hydroxide solution
Responda
-
blue
-
white
-
green
-
cream
Questão 12
Questão
Copper (2), iron (2) and iron (3) ions can be tested ....
Responda
-
with sodium hydroxide solution
-
with a flame test
-
in bromine water
-
with silver nitrate
Questão 13
Questão
In excess sodium hydroxide solution, copper (2) ions form ......... precipitates.
Responda
-
green
-
blue
-
brown
Questão 14
Questão
In excess sodium hydroxide solution, iron (2) ions form ....... precipitates.
Responda
-
green
-
brown
-
blue
Questão 15
Questão
In excess sodium hydroxide solution, iron (3) ions form ....... precipitates.
Responda
-
brown
-
green
-
blue
Questão 16
Questão
During the Haber Process, hydrogen & nitrogen react together in these conditions:
Responda
-
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
Questão 17
Questão
In a reversible reaction when the temperature is increased the yield from the ........
Responda
-
endothermic reaction increases and the yield from the exothermic decreases
-
endothermic reaction decreases and the yield from the exothermic increases
Questão 18
Questão
In a reversible reaction when the temperature is decreased the yield from the ........
Responda
-
endothermic reaction increases and the yield from the exothermic reaction decreases.
-
endothermic reaction decreases and the yield from the exothermic reaction increases.
Questão 19
Questão
Group 1 metals react with water, releasing
Responda
-
carbon dioxide
-
oxygen
-
hydrogen
Questão 20
Questão
Group 1 metals, form .......... that dissolve in water to give ........... solutions
Responda
-
carbonates
-
acids
-
hydroxides
-
acidic
-
alkaline
Questão 21
Questão
In gaseous reactions, an increase in pressure favours the reaction that produces the ..... number of molecules
Responda
-
least
-
most
Questão 22
Questão
Alcohols react sodium to produce .....
Responda
-
carbon dioxide
-
sodium chlroide
-
hydrogen
-
oxygen
Questão 23
Questão
Carboxylic acids are part of the ..... molecular group.
Responda
-
(-OH)
-
(-COO-)
-
(-COOH)
Questão 24
Questão
Carboxylic acids, react with alcohols in the presence of an ........ catalyst to produce .............
Responda
-
acid
-
alkaline
-
nickel
-
esters
-
a stronger acid
-
a weaker acid
Questão 25
Questão
Esters are part of the ..... molecular group
Responda
-
(-COO-)
-
(-OH)
-
(-COOH)
Questão 26
Questão
Newlands, and then Mendeleev, attempted to classify the elements by arranging them in order of their
Responda
-
atomic weights
-
atomic structure
-
atomic numbers
Questão 27
Questão
when electrons, protons and neutrons were discovered early in the 20th century, the periodic table was then arranged in order of
Responda
-
Atomic mass
-
Atomic structure
-
Atomic numbers
Questão 28
Questão
In Group 1, the more easily electrons are lost, the ........... number of shells
Responda
-
higher
-
lower
-
same
Questão 29
Questão
The less easily electrons are gained therefore the ........ number of shells is more reactive
Responda
-
lower
-
higher
-
same
Questão 30
Questão
What may be added to drinking water to reduce microbes and fluorides?
Responda
-
Oxygen
-
Chlorine
-
Weak acids
-
Iodine
-
Bromine
Questão 31
Questão
Is bond breaking exothermic or endothermic?
Responda
-
Endothermic
-
Exothermic
-
Both
Questão 32
Questão
Is bond formation exothermic or endothermic?
Responda
-
Exothermic
-
Endothermic
-
Both
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.