State whether the following statements are True or False :
(1) Gravitational force, F = Gm m/r. (Ch. 1)
(2) There are seven periods in the long form of the periodic table
(Ch. 2)
(3) Nascent oxygen is always denoted by showing the symbol O.
(Ch. 3)
(6) The SI unit of heat is the joule. (Ch. 5)
(5) Iodine and diamond are lustrous substances. (Ch. 8)
(6) Rubber is a mamade macromolecule. (Ch. 9)
2GM
Please givr proper anwer
I wil mark the guy as braniliest
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