2. Write the names of the elements present in these compounds.
iii. carbon dioxide
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Solution
The chemical molecule carbon dioxide is made up of two oxygen atoms and one carbon atom.
Its molecular formula becomes CO2
Carbon dioxide is used as a refrigerant, in fire extinguishers, to inflate life rafts and life jackets, blasting coal, foam rubber, and plastics, promoting plant growth in greenhouses, immobilise animals before slaughter, and make carbonated beverages.