Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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2730 questions · page 63 of 137 · choose a topic above to narrow them down

SA-OC-MC-0021 markL1 FoundationCalculatorGas volumes

What volume, in

\mathrm{dm^3}

, does

0.25

mol of oxygen occupy at r.t.p.?

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SA-OC-MO-0011 markL1 FoundationCalculatorRelative mass

Calculate

M_r

\mathrm{H_2SO_4}

. (

A_r

: H 1, S 32, O 16)

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SA-OC-MO-0021 markL1 FoundationCalculatorRelative mass

Calculate

M_r

\mathrm{Ca(OH)_2}

. (

A_r

: Ca 40, O 16, H 1)

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SA-OC-MO-0032 marksL1 FoundationCalculatorThe mole

How many moles are in

36

g of water,

\mathrm{H_2O}

? (

M_r=18

)

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SA-OC-MP-0011 markL1 FoundationCalculatorMetal properties

Metals are good electrical conductors because they have

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SA-OC-MP-0021 markL1 FoundationCalculatorAlloys

An alloy is

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SA-OC-MP-0041 markL1 FoundationCalculatorMetal properties

Copper is used for electrical wiring because it

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SA-OC-OI-0011 markL1 FoundationCalculatorNaming

The name of

\mathrm{CH_3CH_2CH_3}

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SA-OC-OI-0021 markL1 FoundationCalculatorNaming

The functional group of alcohols is

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SA-OC-OI-0031 markL1 FoundationCalculatorOrganic formulae

How many hydrogen atoms are in an alkane with 6 carbon atoms?

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SA-OC-OX-0011 markL1 FoundationCalculatorTypes of oxide

Magnesium oxide is

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SA-OC-OX-0021 markL1 FoundationCalculatorTypes of oxide

Sulfur dioxide is

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SA-OC-PO-0011 markL1 FoundationCalculatorAddition polymers

The monomer of poly(ethene) is

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SA-OC-PR-0011 markL1 FoundationCalculatorPlanning

In an investigation of how temperature affects rate, temperature is the

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SA-OC-PR-0021 markL1 FoundationCalculatorProcessing data

A burette reads

1.20\ \mathrm{cm^3}

at the start and

25.65\ \mathrm{cm^3}

at the end. Calculate the titre.

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SA-OC-PT-0011 markL1 FoundationCalculatorArrangement

Elements in the Periodic Table are arranged in order of

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SA-OC-PT-0021 markL1 FoundationCalculatorArrangement

Elements in the same group have the same number of

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SA-OC-PT-0031 markL1 FoundationCalculatorArrangement

Sulfur is

2,8,6

. Which period is it in?

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SA-OC-PT-0041 markL1 FoundationCalculatorTrends

Across a period from left to right, elements change from

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SA-OC-RA-0011 markL1 FoundationCalculatorRate factors

Which change increases the rate of reaction between marble chips and acid?

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