Question 11
At equilibrium in a closed system, which statement is true?
Chemical equilibriumChemical equilibriummedium
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Question 12
Which non-metal forms acidic oxides?
Non-metals and their compoundsNon-metals and their compoundsmedium
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Question 13
Which property is characteristic of transition metals?
Transition metalsTransition metalsmedium
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Question 14
What is the functional group present in alcohols?
Organic chemistryOrganic chemistryeasy
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Question 15
Which type of polymerization involves the repeated addition of monomers without the loss of any atom?
Polymers and macromoleculesPolymers and macromoleculesmedium
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Question 16
Which particle determines the identity of an element?
Atomic structureAtomic structureeasy
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Question 17
Which group in the periodic table contains elements that are most reactive metals?
The periodic tableThe periodic tableeasy
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Question 18
Which type of bond is present in sodium chloride?
Chemical bonding and structureChemical bonding and structureeasy
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Question 19
What happens to the volume of a gas when temperature increases at constant pressure?
States of matterStates of mattermedium
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Question 20
What is the coefficient of oxygen when the equation C₃H₈ + O₂ → CO₂ + H₂O is balanced?
Chemical reactions and equationsChemical reactions and equationsmedium
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