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Sec 4 Normal Science Chem TYS MCQ 2016 Set B
Quiz by HAO YI
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The boiling point of liquid X is lower than that of water.
A student places a thermometer into boiling liquid X.
The diagram represents part of the stem of this thermometer, without numbers.
What is the boiling point of liquid X?
104.5 oC
105.5 oC
84.5 oC
75.5 oC
The boiling point of liquid X is lower than that of water.
A student places a thermometer into boiling liquid X.
The diagram represents part of the stem of this thermometer, without numbers.
What is the boiling point of liquid X?
An experiment is carried out to separated a mixture of two dyes.
A line is drawn on a piece of chromatography paper and a spot of the mixture of dyes is placed on it.
The paper is dipped into a solvent and left for several minutes.
Which statement about this experiment is correct?
What happens to the molecules in a liquid when it turns into a solid at its freezing point?
Which properties of an electron are correct?
Which statement about ionic compounds is correct?
The diagram represents one molecule of a compound.
What is the molecular formula of the compound?
The formulae of two ionic compounds are MgCl2 and KCl.
What is the charge on the metal ion in each of these compounds?
An incomplete word equation is given.
What is Q?
A garden has soil with a pH of 6.5. Cabbages grow best in soils with a pH of 7.5.
They cabbages grow better when calcium hydroxide is added to the soil in the garden.
Which row is correct?
Elements X, Y and Z are in Group 17 of the Periodic Table.
X is a gas.
Y is less reactive than Z.
Z is a red liquid.
X, Y and Z are placed in order of increasing proton number.
Which order is correct?
An atom of element R has an electronic structure of 2, 8, 6.
The positions in the Periodic Table of four elements are shown.
Which element will have properties most similar to R?
Which statements about the general properties of metals are correct?
1 conduct electricity when solid
2 form acidic oxides
3 high melting point
The diagram shows the arrangement of particles in substance T.
What is substance T?
What is formed when ethane burns incompletely but is not formed when it burns completely?
Statement 1: the burning of fossil fuels containing sulfur is a cause of 'acid rain'.
Statement 2: Acid rain is formed from sulfur dioxide which is produced when sulfur compounds burn.
Which of the following is true?
the table shows the composition of natural gas.
What is R?
The diagram shows the first four members of a homologous series.
What is the difference in molecular formula between one member and the next in the series?
Alkenes are manufactured by cracking hydrocarbons obtained from petroleum.
Which row shows the process of cracking?
Margarine is manufactured by passing hydrogen through unsaturated vegetable oils to form a solid product.
Which type of reaction is involved in this process?
