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Sec 4 Express Science Chem TYS MCQ 2018 Set B
Quiz by HAO YI
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The diagram shows two methods of collecting gases.
Which row gives the properties of a gas that can be collected by both methods?
A
B
C
D
The diagram shows two methods of collecting gases.
Which row gives the properties of a gas that can be collected by both methods?
Gas Z is soluble in water. Its solution turns red litmus paper blue.
Which statement is not correct?
The diagram shows the structure of an atom.
Which atom is represented by the diagram?
Which statement describes the formation of a covalent bond?
Four different solids, W, X, Y and Z, are dissolved in equal volumes of water at 20 oC.
The table shows the change in temperature when each solid dissolves.
Which row describes the energy change when the solids are dissolved in water?
Which change represents oxidation?
Which statement about acids and bases is not correct?
Why is calcium hydroxide added to soil?
Which property of the Group 1 elements decreases moving down the group?
The reactivity series for some metals is shown.
Which reaction will occur?
What is the approximate composition by dry air?
Common pollutants of the air are shown.
1 carbon monoxide
2 methane
3 nitrogen dioxide
4 sulfur dioxide
Which pollutants cause the erosion of buildings?
Which statement is correct for both alkanes and alkenes?
Which hydrocarbons are members of the same homologous series?
A section of an addition polymer is shown.
Which row describes the monomer used to make this polymer?
Which change cannot be achieved by a single chemical reaction?
