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Chem – Chapter 18: Qualitative Analysis

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1

Which gas turns limewater milky?

2

Brick red flame indicates the presence of which ion?

3

Which gas has a choking smell?

4

White precipitate with silver nitrate indicates which ion?

5

Which gas turns potassium dichromate paper green?

6

What is qualitative analysis mainly concerned with?

7

White precipitate with barium chloride indicates which ion?

8

Which precipitate dissolves in ammonia solution?

9

Which functional group produces CO₂ with acids?

10

Which test is safest for identifying gases?

11

Which precipitate is insoluble in ammonia?

12

Which ion produces a green flame?

13

Which color is produced by sodium ion in a flame test?

14

Which reagent is used to identify ammonium ion?

15

Which reagent distinguishes sulfate from carbonate?

16

Which test is used for anions?

17

Which precipitate is formed when AgNO₃ reacts with chloride?

18

Which ion is basic in nature?

19

Which ion does not form a precipitate test easily?

20

Which gas produces a pop sound when ignited?

21

Which test helps confirm CO₃²⁻ ion?

22

Which gas has a pungent smell and turns red litmus blue?

23

Which ion produces ammonia gas on heating with NaOH?

24

Which gas turns limewater milky first and then clear?

25

Which test helps identify gases by color change?

26

Which test is commonly used to identify metal ions?

27

Which ion gives effervescence with dilute acid?

28

Which observation confirms ammonium ion?

29

Which analysis identifies ions present in a compound?

30

Which reagent is added before silver nitrate in chloride test?

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