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Which pair of substances produce a precipitate when their aqueous solutions are mixed?A) sodium chloride and barium nitrate B) sodium nitrate and barium chloride C) sodium nitrate and silver nitrate D) sodium sulphate and barium chloride |
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Answer» Answer: TAKING DATA and instructions from a USER, processing the data as PER instructions, and DISPLAYING or storing the processed data, are the four major functions of a computer. These functions are also known as the input function, process function, output function, and storage function, respectively. |
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