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Q. Which of the following group of elements are diamagnetic?
Argon, copper, silver are diamagnetic.
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Q. Which must be true for metamorphism to occur?
Q. For a ray of light to suffer total internal reflection it has to pass from :
Q. The filament of electric bulb is made of
Q. When an atom loses an electron it becomes
Q. It is difficult to cook rice
Q. On which day 'National Science Day' is celebrated in India ?
Q. The fundamental scientific principle in the operation of battery is
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