please answer all 4 questions. i don't need a long answer. please explain them briefly and correctly....

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Chemistry

please answer all 4 questions. i don'tneed a long answer. please explain them briefly andcorrectly. Thank you in advance.
1. What does the term qualitative analysis mean?
2. The confirmatory reactions that identify nitrate and nitriteboth produce brown NO2 gas. What criterion will you use todetermine which anion produced the gas?
3. The confirmation reaction for the halides involves theaddition of chlorine water. Describe how you will know which, ifany, of the anions is present.
4. A student added calcium ion, Ca+2 to an aqueous solution andobserved formation of a precipitate. Addition of HNO3 had no effecton the precipitate. What anion was present in the originalsolution? Explain your answer.

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Q1 In qualitative analysis we determine the chemical composition of a cmpound by detecting the type of ions present in that compound During qualitative analysis we make several physical and chemical See Answer

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