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Everyday Science MCQs
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481.For about how many hours food remains in small intestine?
482.For being able to see three-dimensional pictures we have to use____?
483.For burning, which agent is necessary?
484.For glavinizing of iron which of the following metals is used ?
485.For proper formation of teeth, ____ is essential?
486.For seeing objects at the surface of water from a submarine under water, the instrument used is ____?
487.For the generation of biogas, the materials commonly used are____?
488.For water purification, we use?
489.For which one of the following is the density maximum?
490.Founder of modern astronomy was ____?