810. Ritesh was riding a bicycle on the road, he said that the wheels of the bicycle are moving along a straight line. But his friend. Saket, who was also riding a bicycle said that the wheels of the bicycle are moving circular. They then decided rather than fighting among themselves it is better to ask their science teacher.
(a) Write some types of motion.
(b) What is rectilinear motion.
(c) What is rotatory or circular motion.
(d) Who among, Ritesh and Saket, is correct? Explain.
11.On the basis of the given equation, answer the questions that follow:
N2 + H2------------>NH3
a) Compare the number of atoms on both sides of the arrow and deduce if the equation is balanced or not.
b) Determine the valency of Nitrogen if valency of Hydrogen is 1.
c) Elaborate the difference between the symbol and formula of Hydrogen.
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Answer:
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Explanation:
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