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Nuclear fission is caused by the impact of
1 Proton
2 Electron
3 Neutron
4 None of these
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Which gas is used for preparation of soda water? 1 Ammonia 2 carbon dioxide 3 Hydrogen 4 Nitric oxide
Who commanded the challenger’s first flight?
Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo
Deep blue color is imparted to glass by the presence of 1 Iron oxide 2 Cupric oxide 3 Nickel oxide 4 Cobalt oxide
Carbon, diamond and graphite are together called 1 Isomers 2 Allotropes 3 Isomorphs 4 Isotopes
What is difference between nanoscience and nanotechnology?
1 Answers GSK GlaxoSmithKline,
Which of the following elements is not-radioactive? 1 Uranium 2 Thorium 3 Plutonium 4 zirconium
How many astronauts travelled in the challenger?
Name any two modern branches of Physical Science
0 Answers Mahatma Gandhi University,
Which is the regulatory authority of atomic energy in india?
Which synthetic fiber is known as artificial silk? 1 Cotton 2 Rayon 3 Terylene 4 Nylon
Which of the following metals can displace hydrogen from dilute acids? 1 Zinc 2 Gold 3 Copper 4 Silver
Biological Sciences 
