Which isotope of Uranium is capable of sustaining chain
reaction ?
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the river tigris in which city
Which are known as non - luminous irregular nebulae?
What are all of the uses for a dynamo?
Which of the following gases is lighter than air? 1 Carbon dioxide 2 Oxygen 3 Ammonia 4 Chlorine
The gases used in different types of welding would include 1 Oxygen and hydrogen 2 Oxygen, acetylene and argon 3 Oxygen and acetylene 4 None of these
Catalytic properties of a substance may be best defined as a phenomenon of 1 Absorption 2 Chemisorption 3 Adsorption 4 None of these
Water is a good solvent of ionic salts because 1 It has no colour 2 It has a high boiling point 3 It has a high dipole moment 4 It has a high specific heat
What are quasars?
Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones
cause for earth-to-neutral voltage
Who is the second female cosmonaut?
Which of the following re synthetic rubbers? 1.Thiokol 2.Isoprene 3.Neoprene 1 1 and 2 2 2 and 3 3 1 and 3 4 1,2 and 3
Biological Sciences 
