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Science - chemistry

India-based Neutrino Observatory is included by the Planning Commission as a mega science project under the 11th Five-year Plan. In this context,consider the following statements:
1. Neutrinos are chargeless elementary particles that travel close to the          speed of light. 
2. Neutrinous are created in nuclear reactions of beta decay.
3. Neutrinous have a negligible, but non zero mass.
4. Trillions of Neutrinous pass through human body every second.
Which of the statements given above are correct ? 

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