The isotope of uranium capable of sustaining chain reactions is
1 U-235
2 U-238
3 U-239
4 None of these
When was the administration control of terls enstrusted to physcial research laboratory, ahmedabad?
Which of the following is the most stable element? 1 Uranium 2 Hydrogen 3 Oxygen 4 Lead
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
Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium
infra-red rays were first detected by? the intensity level of sound is measured in? the material used for a fuse wire should? radioactivity is a property of? what is the source of electric energy in an artificial satellite? the following is used as a lubricant in heavy machines? supher, bauxite , graphite, phosphorus
Label the following types of erosion in order by their ability to transport materials. Wind erosion, water erosion, glacial erosion, plant/animal erosion.
Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine
Which of the following gases is not known as green house gas? 1 Carbon dioxide 2 Methane 3 Nitruous oxide 4 Hydrogen
4 Answers ACIO, Infosys, ptet,
Reaction of alcohol, with a carboxylic acid is known as 1 Substitution Reaction 2 Addition reaction 3 Esterification 4 Hydrogenation
Name the indian states in which river ganga flows?
19 Answers College School Exams Tests, Intel, Yes Bank,
Study Of Life in outer space is known As
The property of a substance to absorb moisture from the air on exposure is called 1 Osmosis 2 Dessication 3 Efflorescence 4 Deliquescence