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Sec 4 Express Science Chem TYS MCQ 2017 Set B
Quiz by HAO YI
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Bromine is a liquid at 20 oC.
What is the melting point and the boiling point for bromine?
A
B
C
D
The results of three tests on a solution of compound Z are shown.
What is Z?
zinc nitrate
lead(II) carbonate
lead(II) nitrate
zinc carbonate
Bromine is a liquid at 20 oC.
What is the melting point and the boiling point for bromine?
The results of three tests on a solution of compound Z are shown.
What is Z?
Sodium chloride is an ionic compound.
Which statement about sodium chloride is not correct?
Glucose has a relative molecular mass, Mr, of 180.
How many grams of glucose are added to 50 cm3 of water to make a solution of concentration 0.4 mol/dm3.
A student adds an aqueous solution of sodium hydroxide to a solution of hydrochloric acid.
There is an increase in the temperature of the mixture.
Which row describes the reaction?
Which row describes what happens during an oxidation reaction?
Flowers of a hydrangea bush are blue when grown in acidic soil and pink when the soil is alkaline.
Which substance is added to the soil of a hydrangea with blue flowers so that it produces pink flowers?
The solubility of some salts in water is shown.
Which aqueous solutions are mixed to prepare an insoluble salt?
Which statement about the elements in the Periodic Table is correct?
Which statement about the properties of chlorine, bromine and iodine is correct?
Which diagram shows the arrangement of the atoms in stainless steel?
Metal W reacts slowly with cold water to produce hydrogen gas.
Metal X react slowly with dilute hydrochloric acid to produce hydrogen gas.
When metal Y is added to the salt of metal X, a displacement reaction takes place.
Metal Y does not react with water.
Metal Z does not react with dilute hydrochloric acid.
What is the order of reactivity for W, X, Y and Z?
Dry air is a mixture of nitrogen, oxygen, noble gases and carbon dioxide.
What is the correct percentage of nitrogen, oxygen, noble gases and carbon dioxide in dry air?
Which pollutant gas is produced by both lightning activity and internal combustion engines?
Which petroleum fraction is used as a fuel for aircraft engines?
The alkenes are a homologous series of compounds with the general formula CnH2n+2.
Which row describes the changes as the value of n increases?
