Answer:
Distance: - The distance travelled by a body is the actual length of the path covered by a moving body irrespective of the direction in which the body travels. For example- if a man walks 4 km in east and 3km in north then actual length covered by the man is 4+ 3= 7 km.
Explanation:
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H2o is an example of covalent molecule. H2O has two hydrogen atoms bonded to one oxygen atom. The two hydrogen atoms and the oxygen atom are linked together by a covalent bond.Atoms of oxygen are electronegative and attract the sharing of electrons in a covalent bond.
<span>3Mg(NO3)2 + 2K3PO4 ---> Mg3(PO4)2 + 6KNO3
n(</span>K3PO4):n(KNO3)=2:6=1:3
n(K3PO4):n(KNO3)=1:3