who is the first president of india ?
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Which of the following materials are used for preparing blur-black ink? 1 Gallic acid 2 Tannic acid 3 Ferrous sulphate 4 All of these
Which of the following fibers is least prone to fire? 1 Rayon 2 Nylon 3 Cotton 4 Terycott
Catalytic properties of a substance may be best defined as a phenomenon of 1 Absorption 2 Chemisorption 3 Adsorption 4 None of these
Which is india’s largest nuclear research reactor?
The percentage of carbon is the least in 1 Grey cast iron 2 Wrought iron 3 White cast iron 4 Steel
What is the Embrylogy ?
Name the scientist who has been invited by the Srilankan Governement to have a Study on Employment development?
difference between ancient age,middle age & modern age.
Which of the following is the most stable element? 1 Uranium 2 Hydrogen 3 Oxygen 4 Lead
What vendors does Ameber Recommed?
When and where was the first experimental atomic explosion took place?
Which is the first atomic submarine of india?