can anyone solve Q 2 part (ii) and (iv) I am mark brilliant
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Answer: ii) change in smell as sulphur dioxide is released having foul smell
iv) colour of the solution changes due to displacement reaction
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Answer:
Explanation:
H2SO4 + NA2CO3 --------> NA2SO4 + H2O........it is a type of neutralisation reaction because in it an acid combines with a compound which is basic in nature, giving salt and water.
Pb(No3)2 + KI ------------> PbI2 + KNO3.......this reaction belongs to the character of "change in colour" ( there is a colour change from its original colour to YELLOW )
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