Who commanded the challenger’s first flight?

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Which of the following is used in making artificial sweetener saccharin? 1 Benzene 2 Toluene 3 Phenol 4 Aniline

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Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine

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which of the following fibers is generally preferred for making gauze and lint? 1 Cotton 2 Rayon 3 Nylon 4 Terylene

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In an atomic nucleus, neutrons and protons are held together by 1 Gravitational forces 2 Magnetic forces 3 Exchange force 4 Coulombic forces

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Which of the following types of photons has the highest energy? 1 Visible radiations 2 Radio waves 3 Gamma rays 4 X-rays

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When was the indian made rocket “ rohini ” launched from thumba?

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WHY WE SMELL A SCENT AFTER RAIN?? BUT RAIN WATER IS PUREST FORM OF WATER WHICH IS ODOURLESS.

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Explain about the methods of sterilization of DMEM?

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how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'

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describe the function of muscles

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What is the Respiration ?

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