koi important questions hi bata do 10th class board ke
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1 identify acid and base which form sodium hydrogen carbonate write the chemical equation in support of your answer state whether the compound is acidic basic or natural also write the pH.
2 2ml of sodium hydroxide sodium is added to few pieces of granted zn metal taken in a test tube when the content of a gas is evolved which is bubbled through soap solution before testing write the equation of a chemical reaction involved in the test to detect gas name the gas which will be evolved when same metal react with solution of strong acid.
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