EduNinjaThis question is about the first 30 elements in the Periodic Table.
Name the element which:
has aqueous ions which form a white precipitate when added to aqueous silver ions
forms a blue hydroxide which dissolves in aqueous ammonia
The names of nine substances are shown.
> aluminium oxide ammonia carbon monoxide anhydrous cobalt(II) chloride hydrated copper(II) sulfate iron(III) oxide nitrogen dioxide silver steel
Answer the following questions using these substances. Each substance may be used once, more than once or not at all.
Name the substance that is:
an alkaline gas ..... [1]
A list of substances is shown.
> barium nitrate carbon monoxide hydrated cobalt(II) chloride copper(II) oxide anhydrous copper(II) sulfate ethane potassium iodide propene sodium bromide sulfur dioxide zinc oxide
Answer the following questions using only the substances from the list. Each substance may be used once, more than once or not at all.
Give the name of the substance that:
gives a lilac colour in a flame test
forms a cream precipitate when its aqueous solution reacts with acidified aqueous silver nitrate
A list of gases is shown.
ammonia
carbon dioxide
carbon monoxide
ethene
fluorine
oxygen
sulfur dioxide
xenon
Answer the following questions using only the gases from the list. Each gas may be used once, more than once or not at all.
Give the name of the gas that:
is produced in the test for nitrate ions.
This question is about ions and ionic compounds.
Choose from the following list of ions to answer the questions.
Each ion may be used once, more than once or not at all.
State which ion:
gives a lilac colour in a flame test [1]
forms a grey-green precipitate with aqueous ammonia [1]
forms a white precipitate with aqueous sodium hydroxide [1]
forms a cream precipitate with acidified aqueous silver nitrate [1]
forms a white precipitate with acidified aqueous barium nitrate. [1]
Describe how to do a flame test on a sample of a salt.
A list of substances is shown.
> ammonia bauxite carbon dioxide carbon monoxide ethanol hematite oxygen sodium chloride sulfur dioxide
Answer the questions using the list of substances.
Each substance may be used once, more than once or not at all.
State which substance is:
a gas produced in the test for nitrate ions. ..... [1]
Diamond and graphite are different solid forms of carbon. The carbon atoms in diamond and graphite are arranged in different ways.
All forms of carbon burn to produce carbon dioxide.
Name the substance used to test for carbon dioxide.
The names of the elements of Period 2 of the Periodic Table are shown.
lithium beryllium boron carbon nitrogen oxygen fluorine neon Answer the following questions about these elements. Each element may be used once, more than once or not at all.
Identify the element which:
produces a red flame in a flame test
This question is about gases.
The following substances are gases at room temperature.
Identify, by letter:
a gas which bleaches damp litmus paper [1]
The following formulae represent different substances.
A
Ag
Cu
Answer the following questions using only these substances.
Each substance may be used once, more than once or not at all.
State which substance is:
a gas which bleaches damp litmus paper