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
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
What is one light second?
The year in which magnetic observations were started in mumbai and thiruvananthapuram?
example for navigation satellite?
In which type of rocks re metals like gold and copper mostly found? 1 Old igneous 2 Old sedimentary 3 Old metamorphic 4 New metamorphic
Which of the following are the ingredients of gun metal? 1 Iron, Tin 2 Copper, Tin 3 Iron, Brass, Tin 4 Iron, Zinc, Titanium
which croup is sown on the largest area in india? 2)holandric genes occur exclusiely on? 3)
Activity of an enzyme can be modulated by change of [a] pH [b] Light [c] Humidity [d] Rainfall
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
Carbon tetrachloride fire extinguisher should not be used in closed rooms, because it produces a poisonous gas called 1 Carbon monoxide 2 Phosphine 3 Phosgene 4 None of these
Why capacitor is not allow dc ?? What the reason?
Give two National aims of science education
0 Answers Mahatma Gandhi University,