Sulphur Dioxide. Toxic. Don't eat it.
Answer: 1. Sodium Benzoate
Explanation: An anti-oxidant is a substance that can help prevent or stop the damage done by free radicals. Examples include; Sulphur Dioxide, Sulphite Salts, Citric Acid, e.t.c
Sodium benzoate is a pure preservative.
Answer:
moles of CO2 can be produced from a reaction of 10.0 moles C2H6
Explanation:
In this reaction -
2 moles of C₂H6 produces four molecules of Carbon dioxide (CO2)
So 1 mole of C₂H6 will produce moles of Carbon dioxide (CO2)
Thus, 10 moles of C₂H6 will produce moles of Carbon dioxide (CO2)
Number 9 adding oil lubricates the chain making it easier to pedal. Also the oil prevents rusting