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Q. The first metal used by a man was
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Q. Which among the given chemicals is used in photography -
Q. Which among the given has pH value 7 -
Q. The gas inside an electric bulb is
Q. Passing a battery current through a solution of brine will produce
Q. The first metal used by man was
Q. Which among the following is not among Micronutrients required for plants?
Q. When a gas ‘X’ reacts with lime water, a compound ‘Y’ is formed. If both X a...
Q. Which among the following minerals is also known as Horn Silver?
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