Which isotope of Uranium is capable of sustaining chain
reaction ?
The first synthetic fiber made by man was 1 Rayon 2 Nylon 3 Polyester 4 Terycott
Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine
'which country has 6 months night and 6 months day'
78 Answers Asefa, Goal Technologies, IHCL, Karibu, ONGC, TATA, UET,
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
The element required for solar energy conversion is 1 Germanium 2 Silicon 3 Uranium 4 None of these
Why sun seems to be a red colour while sun-rising and sun- setting?
What are cosmic rays?
Name the scientist who has been invited by the Srilankan Governement to have a Study on Employment development?
In vulcanization, natural rubber is heated with 1 Carbon 2 Sulphur 3 Silicon 4 Phosphorus
Which of the following is used to coagulate synthetic fibers from solution? 1 Hydrochloric acid 2 Sulphuric acid 3 Nitric acid 4 None of these
The Contact Process is involved in the manufacture of 1 Nitric acid 2 Sulphuric acid 3 Ammonia 4 Caustic soda
Which is/are the important raw material(s) required in cement industry? 1 Limestone 2 Gypsum & clay 3 Clay 4 Limestone & clay