What is the super phosphate of lime?

1215

---

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

1064

---

How do you define the molecularity of a reaction?

1081

---

What does the expression –dc/dt indicates?

1079

---

What is threshold energy?

1227

---

What is internal energy?

1142

---

What is the process, by which aluminium is refined?

1199

---

What is the anhydride of n2o5?

1075

---

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

1100

---

What are the important sources of phosphorus?

1121

---

Give the chemical formula of Garnet?

1269

---

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

1064

---

What is ph? What are the units of ph?

1091

---

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

1154

---

How do we prepare diborane?

1158

---