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Sec 4 Normal Science Chem TYS MCQ 2020 Set B
Quiz by HAO YI
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A bottle of purple ink contains a mixture of a red dye and a blue dye.
Which method is used to separate the red and blue dyes?
Which statement describes what happens to the particles when a solid is heated?
Compounds contain two or more atoms of different elements chemically combined.
Which list contains only compounds?
Which row describes the properties of a simple covalent substance?
Copper(II) oxide is a black powder which is insoluble in water.
Copper(II) oxide reacts with sulfuric acid to form copper(II) sulfate.
Copper(II) sulfate is soluble in water.
Which method describes how pure copper(II) sulfate crystals are made?
Sodium carbonate reacts with dilute hydrochloric acid at room temperature.
The reactants are Na2CO3(s) and HCl(aq).
What are the products formed and their state symbols?
Sodium, aluminium and sulfur are in the same period of the Periodic Table.
Which trend in types of oxides occurs across this period?
Calcium hydroxide is added slowly to acidic soil to reduce acidity.
The pH samples of the soil are measured using Universal Indicator.
Which graph shows the change in pH as calcium hydroxide is added to the soil?
Part of the Periodic Table is shown.
Which statement about atoms of L and M is correct?
Which row about bromine is correct?
A shiny grey solid X, reacts vigorously with cold water to form a solution which turns red litmus blue.
What is X?
In which test-tube will the iron nails rust the most after a few days?
Which row shows the approximate volume composition of dry air?
Sulfur dioxide is a common atmospheric pollutant.
Which process produces sulfur dioxide?
Which property of alkanes decreases as the molecular masses of the alkanes increase?
Which row describes alkanes correctly?
The flow chart shows a production process used in industry.
