Practise

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2730 questions · page 64 of 137 · choose a topic above to narrow them down

SA-OC-RA-0052 marksL1 FoundationCalculatorRate graphs

90\ \mathrm{cm^3}

of hydrogen is collected in

45

s. Calculate the mean rate in

\mathrm{cm^3/s}

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SA-OC-RS-0011 markL1 FoundationCalculatorReactivity order

Which metal is the most reactive?

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SA-OC-RS-0021 markL1 FoundationCalculatorReactivity order

Which metal does NOT react with dilute hydrochloric acid?

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SA-OC-RX-0011 markL1 FoundationCalculatorRedox definitions

Oxidation is

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SA-OC-RX-0021 markL1 FoundationCalculatorRedox definitions

\mathrm{CuO+H_2\rightarrow Cu+H_2O}

, the substance reduced is

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SA-OC-SA-0011 markL1 FoundationCalculatorSalts and solubility

Zinc oxide reacts with hydrochloric acid to make

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SA-OC-SA-0021 markL1 FoundationCalculatorSalts and solubility

Nitric acid forms salts called

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SA-OC-SP-0011 markL1 FoundationCalculatorSeparation methods

Sand can be separated from water by

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SA-OC-SP-0021 markL1 FoundationCalculatorSeparation methods

Pure water can be obtained from salt solution by

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SA-OC-SP-0031 markL1 FoundationCalculatorApparatus

The most accurate apparatus to measure

25.0\ \mathrm{cm^3}

of a solution is a

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SA-OC-ST-0011 markL1 FoundationCalculatorParticle model

In which state are particles close together but able to move past one another?

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SA-OC-ST-0021 markL1 FoundationCalculatorChanges of state

The change from gas to liquid is called

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SA-OC-ST-0031 markL1 FoundationCalculatorParticle model

Gases can be compressed easily because

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SA-OC-ST-0051 markL1 FoundationCalculatorChanges of state

Ethanol melts at

-114\,^\circ\mathrm{C}

and boils at

78\,^\circ\mathrm{C}

. Its state at

-120\,^\circ\mathrm{C}

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SA-OC-TE-0011 markL1 FoundationCalculatorGas tests

The test for hydrogen is

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SA-OC-TE-0021 markL1 FoundationCalculatorGas tests

Carbon dioxide turns limewater

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SA-OC-TE-0031 markL1 FoundationCalculatorCation tests

A compound gives a yellow flame. It contains

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SA-OC-TN-0011 markL1 FoundationCalculatorTransition elements

Which is a property of transition elements?

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SA-OC-TN-0021 markL1 FoundationCalculatorTransition elements

Which metal is used as a catalyst in the Haber process?

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SA-OC-TN-0051 markL1 FoundationCalculatorNoble gases

Noble gases are unreactive because they

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