226. The catalyst used in manufacture of NO by ostwald process is

1. 1. Pt

   
   
   

   2. Mo

   
   
   

   3. Fe

   
   
   

   4. Ag

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---

227. Atomicity of phosphorus is

1. 1. 2

   
   
   

   2. 3

   
   
   

   3. 4

   
   
   

   4. 5

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

---

---

228. Mo is used as catalyst in the manufacture of

1. 1. HCI

   
   
   

   2. NH₃

   
   
   

   3. HNO₂

   
   
   

   4. HNO₃

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

---

229. SO₂ + CI ₂^sunlight→Product. The product is

1. 1. Chloroform

   
   
   

   2. Sulphuryl chloride

   
   
   

   3. Sulphuric acid

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

---

---

230. Photoconductors of xerox machine

1. 1. Black phosphorus

   
   
   

   2. Tellurium

   
   
   

   3. Mercury

   
   
   

   4. Selenium

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

---