1 |
Which element form maximum compounds with Xenon |
|
2 |
Which halogen occurs naturally in a positive oxidation state. |
- A. Fluorine
- B. Chlorine
- C. Bromine
- D. Iodine
|
3 |
An element that has high ionization energy and tends to be chemically inactive would most likely to be |
- A. an alkali metal
- B. a transition element
- C. a noble gas
- D. a halogen
|
4 |
The chemical formula of Sodium Bromite is. |
- A. NaBrO
- B. NaBrO2
- C. NaBrO3
- D. NaBrO4
|
5 |
Which of the following noble gas is used for arc welding and cutting |
- A. Helium
- B. Argon
- C. Xenon
- D. Radon
|
6 |
Which halogen occurs naturally in a positive oxidation state |
- A. Fluorine
- B. Chlorine
- C. Bromine
- D. Iodine
|
7 |
Stability of halogen molecules decreases from |
- A. F2 to I1
- B. Cl2 to I2
- C. I2 to F2
- D. I2 to Cl2
|
8 |
Which one of the following acids acts as oxidizing agent but never a reducing agent. |
- A. HCIO
- B. HCIO2
- C. HCIO3
- D. HCIO4
|
9 |
Which one is perchloric acid |
- A. HClO
- B. HClO
- C. HClO<sub>3</sub>
- D. HClO<sub>4</sub>
|
10 |
An element that has a high ionization energy and tends to be chemically inactive would most likely to be |
- A. An alkali metal
- B. A transition element
- C. A noble gas
- D. A halogen
|