Which of the following is used to coagulate synthetic fibers
from solution?
1 Hydrochloric acid
2 Sulphuric acid
3 Nitric acid
4 None of these
difference between typewriter and computer?
The age of most ancient geological formations is estimated by 1 Potassium-argon method 2 Ra-Si method 3 C14method 4 Uranium-lead method
How many astronauts travelled in the challenger?
why we can't make our living room as refrigerator?
When was the atomic energy regulatory board ( aerb ) constituted?
Caustic soda is 1 NaC1 2 Na2CO3 3 NaOH 4 NaHCO3
Which are known as non - luminous irregular nebulae?
1.what is a pasacline?who invented it? 2.who was the first man to go into space?
What is the growth ?
The vast resources of unutilized natural gas can be used in the production of 1 Graphite 2 Fertilizers 3 Synthetic petroleum 4 Carbide
define cartography?
Which of the following is used as a lubricant? 1 Graphite 2 Silica 3 Diamond 4 Iron oxide