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Sec 4 Express Science Chem TYS MCQ 2016 Set B
Quiz by HAO YI
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Barium sulfate is insoluble in water.
Barium sulfate is made by adding 20 cm3 of aqueous barium nitrate to dilute sulfuric acid.
Which species of apparatus are needed to obtain solid barium sulfate from aqueous barium nitrate and dilute sulfuric acid?
2, 3 and 4
1, 4 and 5
2, 4 and 5
1, 2 and 4
Barium sulfate is insoluble in water.
Barium sulfate is made by adding 20 cm3 of aqueous barium nitrate to dilute sulfuric acid.
Which species of apparatus are needed to obtain solid barium sulfate from aqueous barium nitrate and dilute sulfuric acid?
A label is missing from a bottle of a yellow solution Q.
In order to identify the solution two simple chemical tests are carried out.
test 1 A few drops of aqueous sodium hydroxide are added to a sample of Q. A red-brown precipitate is formed.
test 2 Aqueous sodium hydroxide and aluminium are added to another sample of Q and warmed. A pungent gas, which turns damp red litmus paper blue, is produced.
What is Q?
Element X has the electronic configuration 2,4.
Element Y has the electronic configuration 2,6.
What is the formula of the compound formed between X and Y?
Which ions are present in the compound Fe2(SO4)3?
Solutions of two chemicals are mixed in a beaker.
A reaction occurs and a fall in temperature is observed.
Which statement is correct?
Which change in conditions decreases the speed of the reaction between marble chips and dilute hydrochloric acid?
Which statement describes oxidation?
Zinc oxide is an amphoteric oxide.
Which statement about zinc oxide is correct?
The table shows the solubility in water of some copper compounds.
Which method is used to prepare copper(II) chloride?
Four elements have the following electronic configurations.
W 2,8,1
X 2,8,2
Y 2,8,5
Z 2,8,8
Which statement is correct?
Astatine is at the bottom of Group 17 in the Periodic Table.
Which row describes the properties of astatine?
The diagrams represent different arrangements of atoms.
Which diagram represents an alloy?
Three metals, X, Y and Z, were heated separately with the oxides of four metals, P, Q, R and S, to find the order of reactivity.
The results are shown in the table.
What is the order of the reactivity of the metals from the most reactive to the least reactive?
What is the most abundant noble gas in the Earth's atmosphere?
When petrol (gasoline) is burnt in a car engine, gases are produced.
Which gas is toxic and is produced by incomplete combustion of petrol?
Which hydrocarbon is an alkane?
The diagram shows part of the structure of an addition polymer.
Which monomer is used to make this polymer?
Which product is formed when ethanol is oxidised by acidified potassium manganate(VII)?
