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Which isotope of Uranium is capable of sustaining chain
reaction ?
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The wavelength of X-ray is of order of 1 1 cm 2 1m 3 1 Angstrom 4 10 micron
Difference between Respiration and Photosynthesis ?
The dark lines in the solar spectrum are due to 1 Absorption of corresponding wavelengths by the prism used in he spectrograph 2 Destructive interference between waves of certain definite wavelengths 3 Absorption of corresponding wavelengths by the outer layers of the sun 4 None of these
The difference between a nuclear reactor and an atom bomb is that 1 No chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction 2 No chain reaction takes place in atomic bomb while it takes place in a nuclear reactor 3 The chain reaction in nuclear reactor is controlled 4 None of these
The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat
1 Answers Neyveli Lignite Corporation,
Heavy water is 1 Sea water (H2O+Salt) 2 D2O 3 H2O2 4 None of these
Soap is a mixture of sodium or potassium salts of 1 Monocarboxylic acids 2 Glycerol’s 3 Dicarboxylic acids 4 Tricarboxylic acids
What are nebulae?
Gypsum is added to cement clinker to 1 Increase the tensile strength of cement 2 Bind the particles of calcium silicate 3 Decrease the rate of setting of cement 4 Facilitate the formation of colloidal gel
The country helped in arihant’s built?
What is one light second?
List and explain two instances of Correlation Science with Life Situation
0 Answers Mahatma Gandhi University,
Biological Sciences 
