Which of the following elements is obtained from sea weeds?
1 Argon
2 Sulpur
3 Vanadium
4 Iodine
The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon
Emerald is ----in colour 1 Violet 2 Yellow 3 Deep green 4 Prussian blue
What is the Botany?
Which are known as non - luminous irregular nebulae?
Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-239
Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver
Optic fibers are mainly used for which of the following? 1 Communication 2 Weaving 3 Musical instruments 4 Eye surgery
In vulcanization, natural rubber is heated with 1 Carbon 2 Sulphur 3 Silicon 4 Phosphorus
Which comet collided with jupiter?
what the defference from anti virus and spyware and adware also? Please descript?
When was the atomic energy regulatory board ( aerb ) constituted?
Amalgams are 1 Alloys which contain carbon 2 Alloys which have great resistance to abrasion 3 Alloys which contain mercury as one of the contents 4 None of these