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Sec 4 Normal Science Chem TYS MCQ 2017 Set B
Quiz by HAO YI
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The table shows the melting points of four different substances.
Which substance is a pure solid at a temperature of 20 oC?
A
B
C
D
A student wishes to add exactly 13.2 cm3 of acid to exactly 25.0 cm3 of an alkali.
Which apparatus should the student use to measure these volumes?
A
B
C
D
The table shows the melting points of four different substances.
Which substance is a pure solid at a temperature of 20 oC?
A student wishes to add exactly 13.2 cm3 of acid to exactly 25.0 cm3 of an alkali.
Which apparatus should the student use to measure these volumes?
Which particles make up the nucleus of an atom?
The diagrams show the arrangement of particles in four substances.
Which row correctly describes these four substances?
Which row represents an ion?
What are the charges on the ions in Al2(SO4)3?
In which reaction does a solid react to produce a gas?
Sodium bicarbonate is dissolved in water.
Universal indicator is added and the colour of the solution is compared to a pH colour chart. The solution has a pH of 9.
Which statement best describes sodium bicarbonate?
Aqueous solution X is added to aqueous ammonium chloride.
The mixture is heated and ammonia gas is given off.
What is X?
When sodium reacts with water, a solution and a gas are produced.
The solution is tested with Universal Indicator paper and the gas is tested with a splint.
Which row describes what happens to the Universal Indicator paper and to the splint?
Three elements each have two valency electrons.
Which statement about the element is correct?
Iron rusts when it reacts with ........1........ .
Rusting can be prevented by covering the iron with a more reactive metal, such as ........2........ .
Which words correctly complete gaps 1 and 2?
Two statements about alloys are given.
1 Aluminium containing a small amount of copper is an alloy.
2 Alloys can be made by mixing molten metals together and allowing them to cool.
Which of the following is true?
The diagram shows apparatus used to test the reactivity of copper, magnesium and zinc with steam.
Which metals react with steam to form hydrogen?
Anhydrous calcium chloride is used as a drying agent.
An alkaline solution of pyrogallol absorbs oxygen and carbon dioxide.
Air is passed through the apparatus shown.
Which gases are present in the air leaving the apparatus?
Which volume of air contains approximately 10 cm3 of oxygen?
Which statement describes the compounds of an homologous series?
Methane is the first member of the alkane homologous series.
Which row describes the changes in flammability and the size of the molecules in the alkane homologous series from methane to propane?
Which change represents the reaction used to manufacture margarine from vegetable oils?
