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Brass is an alloy of
1 Nickel and copper
2 Zinc and copper
3 Nickel and zinc
4 Nickel and silver
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Where did the largest reflector telescope situated?
In an atomic explosion, enormous energy is released which is due to the 1 Conversion of neutrons into protons 2 Conversion of chemical energy into nuclear energy 3 Conversion of mass into energy 4 None of these
Mesons are found in 1 ?-rays 2 Laser beam 3 X-rays 4 Cosmic rays
3 Answers ABC, Indian Army, JSSC,
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
Which of the following substances undergoes chemical change on heating? 1 Sodium chloride 2 Silica 3 Lead nitrate 4 Platinum wire
the basic approach to science was established by:
Write two characteristics of Science.
0 Answers Mahatma Gandhi University,
Which of the following is used in making artificial sweetener saccharin? 1 Benzene 2 Toluene 3 Phenol 4 Aniline
What is the work of a patent engineer? Does the experience in working as patent engineer helps in finding a job in a refinery?
why is ohms law not followed in long transmisson lines
Reaction of alcohol, with a carboxylic acid is known as 1 Substitution Reaction 2 Addition reaction 3 Esterification 4 Hydrogenation
What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?
Biological Sciences 
