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Q. Iron is prevented from rusting by coating with zinc. This process is called as
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Q. Which of the following is usually not an air-pollutant?
Q. 220 g of carbon dioxide contains .......... moles.
Q. The compound(s) produced during the formation of photochemical smog is/are:
Q. Domestic cooking gas consists mostly of
Q. Which of the following one of the following acids is used in battery -
Q. Which of the following is a non metal that remains liquid at room temperature ?
Q. The molecule which has the highest percentage of ionic character among the following is
Q. One of the following is used to dissolve noble metals. That is
Q. In which process, a nucleus spontaneously breaks down by emitting radiation ?
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