What is banana bond?

1191

---

Diborane contains how many banana bonds?

1163

---

What does ammonal contain?

1173

---

Why nitrogen cannot form penta halides?

1259

---

Define ionic product of water. What is its value?

1170

---

Which process is used in welding the gaps in railway tracks?

1107

---

Why fe3+ ion is more stable than fe2+ ion is?

1120

---

Garnet is the ore of which element?

1109

---

How can you determine the reaction, taking place at constant pressure delta (h)?

1173

---

Which is element exhibit allotrope in the 6tha group?

1133

---

How do you call fifth, ‘a’ group elements collectively?

1140

---

Which oxo acids of sulphur contain s-s bonds?

1257

---

What is the molecular formula of phosphorous?

1128

---

The expression q=delta (e)-w is? What does it states?

1195

---

Why the transition metal ions or compounds exhibit color?

1093

---