1 |
The anhydride of HCIO<sub>4</sub>is |
- A. CIO
- B. CIO<sub>2</sub>
- C. CIO<sub>3</sub>
- D. CI<sub>2</sub>O<sub>7</sub>
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2 |
Which one of the following acids acts as oxidizing agent but never a reducing agent. |
- A. HCIO
- B. HCIO2
- C. HCIO3
- D. HCIO4
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3 |
Which halogen will react spontaneously with Au<sub>(s)</sub>to produce Au<sup>3+</sup> |
- A. Br<sub>2</sub>
- B. F<sub>2</sub>
- C. I<sub>2</sub>
- D. Cl<sub>2</sub>
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4 |
Which one is perchloric acid |
- A. HClO
- B. HClO
- C. HClO<sub>3</sub>
- D. HClO<sub>4</sub>
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5 |
In fluorescent tube, the gas filled is. |
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6 |
The gas used in bactericidal lamps is |
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7 |
Which element form maximum compounds with Xenon |
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8 |
The halogens ae best described by which of the following statements. |
- A. Their outer shell is complete
- B. Most of them are colourless
- C. They all are oxidizing agent
- D. They all are gases at room temperature
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9 |
Which one of the following is not use of chlorine. |
- A. Formation PVC
- B. Formation of mustard gas
- C. Disinfectant and bleaching agent
- D. Formation of sodium chloride
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10 |
Which halogen will react spontaneously with Au(s) to produce Au<sup>3+</sup> |
- A. Br<sub>2</sub>
- B. F<sub>2</sub>
- C. I<sub>2</sub>
- D. Cl<sub>2</sub>
|