What is the super phosphate of lime?

1268

---

How many elements are there in 3d-series of first transition series?

1118

---

How do you define the molecularity of a reaction?

1130

---

What does the expression –dc/dt indicates?

1127

---

What is threshold energy?

1292

---

What is internal energy?

1205

---

What is the process, by which aluminium is refined?

1279

---

What is the anhydride of n2o5?

1114

---

What is the formula of hypo in oxidation state of sulphur?

1142

---

What are the important sources of phosphorus?

1168

---

Give the chemical formula of Garnet?

1340

---

What is the element in third series the element with maximum oxidation state?

1105

---

What is ph? What are the units of ph?

1135

---

Name two elements, which are non-metallic in nature in 5th a group?

1199

---

How do we prepare diborane?

1206

---