Which of the following compounds is not classed as an oxide?
A) CO2
B) SiO2
C) BaSO4
D) H2O
Correct Answer:
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Q3: The decomposition of an unstable compound usually
A)
Q4: Reaction rates increase with temperature mainly because
Q5: At ordinary temperatures, the temperature increase needed
Q6: Chemical reactions that give off energy are
Q7: One mole of which of the following
Q9: Whether a chemical reaction is endothermic or
Q10: The proportion of oxygen in dry air
Q11: An example of an exothermic process is
Q12: The speed of a chemical reaction is
Q13: According to Aristotle, every flammable material consisted
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