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Which has more number of atoms, 100 grams of sodium or 100 grams of iron (given, atomic mass of Na = 23u, Fe = 56 u)?
Why is it not possible to see an atom with naked eyes?
Which postulate of Dalton’s atomic theory is the result of the law of conservation of mass???
Which is the best wool in the world?What is the most expensive wool?
Who was responsible for the partition of India?Which date partition of India announced?
जनरल डायर ने जलियांवाला बाग में शांतिपूर्ण भीड़ पर गोलियां क्यों चलाईं सबसे महत्वपूर्ण कारक चिह्नित करें?