Nuclear fission is caused by the impact of 1 Proton 2 Electron 3 Neutron 4 None of these

4 Answers   Jharkhand Staff Selection Commission JSSC,

---

What is the Movement ?

2 Answers  

---

what is center of gravity?

0 Answers  

---

The two elements that are frequently used for making transistors are 1 Boron and aluminium 2 Silicon and germanium 3 Iridium and tungsten 4 Niobium and columbium

2 Answers  

---

In an atomic explosion, enormous energy is released which is due to the 1 Conversion of neutrons into protons 2 Conversion of chemical energy into nuclear energy 3 Conversion of mass into energy 4 None of these

2 Answers   AHH, CMRL,

---

Which metal is used for Galvanisation of iron?

13 Answers   ncert, TCS, TNPSC Tamil Nadu Public Service Commission,

---

What are reflecting nebulae?

0 Answers  

---

What is the significance of international geo - physical year?

0 Answers  

---

Which of the following substances undergoes chemical change on heating? 1 Sodium chloride 2 Silica 3 Lead nitrate 4 Platinum wire

2 Answers  

---

Which of the following metals can displace hydrogen from dilute acids? 1 Zinc 2 Gold 3 Copper 4 Silver

1 Answers   Petit Seminaire,

---

Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 115

1 Answers  

---

Of the various forms of carbon, the one which is used for adsorption purpose, is 1 Diamond 2 Graphite 3 Coke 4 Wood charcoal

1 Answers  

---