Brass gets discolored in air because of the presence of which of the following gases in air? 1 Carbon dioxide 2 Oxygen 3 Hydrogen sulphide 4 Nitrogen

2 Answers  

---

Titanium is purified by 1 Zone refining 2 Electrolysis 3 Van Arkel method 4 Hydraulic washing

4 Answers  

---

what is the force that helping the earth to revolve by its own.

2 Answers  

---

Potassium nitrate is used in 1 Salt 2 Glass 3 Fertilizer 4 Medicine

2 Answers  

---

who is the first president of india ?

2 Answers   State Bank Of India SBI,

---

---

How can we determine the no: of revolutions of earth around sun?

1 Answers  

---

What is the Protoplasm ?

1 Answers  

---

When did india conduct three under ground nuclear tests?

0 Answers  

---

Which of the following has the lease penetrating power? 1 Alpha particles 2 Beta particles 3 Gamma rays 4 All have the same penetrating power

3 Answers  

---

A man is travelling with the speed of 10m/min across the river to the opposite bank.The river water flows at the speed of 1m/s.Since the water flows at the speed higher than the boatsman, he would definitley reach the opposite river bank in a slant path.What is the length of the path he travelled?. The river is 10m wide. Please give me solution to tha above probelm. Thanks in advance

0 Answers  

---

The type of glass used in making lenses and prisms is 1 Soft glass 2 Pyrex glass 3 Jena glass 4 Flint glass

3 Answers   IAS,

---

The variety of coal in which the deposit contains recognizable traces of the orginal plant material is 1 Anthracite 2 Lignite 3 Peat 4 Bitumen

1 Answers  

---