| 1 |
Which substance is used in photography |
- A. AgCl
- B. AgBr
- C. AgI
- D. Ag3PO4
|
| 2 |
Hydrogen bond is the strongest between the molecules of. |
- A. HF
- B. HCl
- C. HBr
- D. HI
|
| 3 |
Bleaching powder contains available chlorine approximately |
- A. 100%
- B. 70-80%
- C. 35-40%
- D. 10-20%
|
| 4 |
Which halogen occurs naturally in a positive oxidation state. |
- A. Fluorine
- B. Chlorine
- C. Bromine
- D. Iodine
|
| 5 |
Which statement is correct about the given reaction.<div>2NaOH + Cl2 --------------- NaCl + NaCIO + H2O</div> |
- A. Cl is oxidized and O is reduced
- B. Cl is reduced and O is oxidized
- C. Cl is oxidized as well as reduced
- D. Neither Cl nor oxygen is reduced or oxidized
|
| 6 |
Which halogen will react spontaneously with Au to produce Au3+ |
- A. Br2
- B. F2
- C. I2
- D. Cl2
|
| 7 |
Bleaching powder may be produced by passing chlorine over |
- A. calcium carbonate
- B. hydrated calcium sulphate
- C. calcium hydroxide
- D. magnesium hydroxide
|
| 8 |
Which of the following hydrogen halide is the weakest acid in solution. |
- A. HF
- B. HBr
- C. HI
- D. HCl
|
| 9 |
The most ionic is |
- A. HF
- B. HCl
- C. HBr
- D. HI
|
| 10 |
Which one of the following has highest melting and boiling points. |
- A. HF
- B. HBr
- C. HCl
- D. HI
|