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WorksheetsSmart Challenge
Total questions: 8
Worksheet time: 20mins
What is the lightest sub-atomic particle?
Proton
Neutron
Electron
Deuteron
Ionic compounds do not conduct electricity when they are solid because,
their electrons are not free to move
their ions are free to move
their ions are not free to move
their electrons are free to move
Oxidation is loss of electron. Where does oxidation take place during electrolysis.
At anode
In the electrolyte
At the circuit
At cathode
A salt is formed when nitric acid combines with sodium hydroxide. What are present in the salt that forms?
Sodium chloride
sodium ions and nitrate ions
only sodium ions
only nitrate ions
Table 9 shows the experiments carried out to study the rate of reaction between zinc carbonate and nitric acid.
Which of the following graph represents the two experiments?
What functional group is -OH
Hydroxyl
Carboxyl
Amino
Carbonyl Ketone
Brass is an alloy made of
copper and zinc
copper and tin
copper and nickel
copper and aluminum
