The age of most ancient geological formations is estimated by
1 Potassium-argon method
2 Ra-Si method
3 C14method
4 Uranium-lead method
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tea will coll most easily in a:
Emerald is ----in colour 1 Violet 2 Yellow 3 Deep green 4 Prussian blue
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
An atom of an element with mass number 23 and atomic number 11 will have 1 11 neutrons, 12 protons and 11 electrons 2 11 protons, 12 neutrons and 11 electrons 3 11 neutrons, 11 protons and 12 electrons 4 23 protons and 11 electrons
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What is the Respiration ?
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Which are the wings of sri harikotah range ( shar )?
Enriched uranium used in a nuclear reactor is 1 Uranium freed of all impurities 2 Uranium treated with radiation 3 Uranium alloyed with aluminum 4 Uranium with a high percentage of a particular isotope
Name the scientist who has been invited by the Srilankan Governement to have a Study on Employment development?
hai i am koti reddy panta.studying 3rd mca.i failed in my degree. shell i consider those subjects as backlogs