Chemical Compound And Natural Color Trivia Quiz
19 Questions
| Attempts: 269
Questions and Answers
- 1.What color of precipitate confirms Pb++
- A.
Yellow
- B.
Black
- C.
Orange
- D.
White
- 2.What color of precipitate confirms Hg2++
- A.
Yellow
- B.
Black
- C.
Orange
- D.
White
- 3.What color of precipitate confirms Ag+
- A.
Yellow
- B.
Black
- C.
Orange
- D.
White
- 4.What color of precipitate indicates the presence of Hg++
- A.
Yellow
- B.
Black
- C.
Orange
- D.
White
- 5.What color of precipitate indicates the presence of Pb++ centrifuge
- A.
Yellow
- B.
Black
- C.
Orange
- D.
White
- 6.What color of precipitate indicates the presence of Bi+++ centrifuge
- A.
Yellow
- B.
Black
- C.
Orange
- D.
White
- 7.What color of precipitate indicates the presence of Bi+++ centrifuge
- A.
Yellow
- B.
Black
- C.
Orange
- D.
White
- 8.What color of precipitate confirms the presence of Bi+++
- A.
Yellow
- B.
Black
- C.
Orange
- D.
White
- 9.What color of precipitate confirms the presence of Cd++
- A.
Yellow
- B.
Black
- C.
Orange
- D.
White
- 10.What color of precipitate confirms the presence of Cu++ (acidify)
- A.
Yellow
- B.
Black
- C.
Red
- D.
White
- 11.What color of solution confirms the presence of Cu++
- A.
Yellow
- B.
Black
- C.
Red
- D.
Deep Blue
- 12.What color of precipitate confirms the presence of As+3
- A.
Yellow
- B.
Black
- C.
Red
- D.
Deep Blue
- 13.What color of precipitate confirms the presence of Sb+3
- A.
Yellow
- B.
Black
- C.
Orange
- D.
Deep Blue
- 14.What color of precipitate confirms the presence of Sn++
- A.
Yellow
- B.
Black
- C.
Orange
- D.
White or gray
- 15.What color of flame confirms the presence of Na+
- A.
Intense Yellow
- B.
Black
- C.
Orange
- D.
White or gray
- 16.What color of flame confirms the presence of K+
- A.
Yellow
- B.
Black
- C.
Orange
- D.
Reddish violet
- 17.What color of precipitate confirms the presence of K+
- A.
Yellow
- B.
Black
- C.
Orange
- D.
Reddish violet
- 18.Does turning of red litmus paper into blue indicates the presence of NH4+?
- A.
True
- B.
False
- 19.What do we use to confirm in flame test?
- A.
Back of the test tube brush
- B.
Nichrome wire
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