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Give reasons for the following : (a) An excess of carbon dioxide increases the temperature of the earth. (b) Soda acid and foam type of fire extinguishers are not used for extinguishing electrical fires. (c) Solid carbon dioxide is used for the refrigeration of food. |
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Answer» Give reasons for the following : (a) An excess of carbon dioxide increases the temperature of the earth. (b) Soda acid and foam type of fire extinguishers are not used for extinguishing electrical fires. (c) Solid carbon dioxide is used for the refrigeration of food. |
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