Question

32 (a) Which postulate of Dalton's atomic theory is the result of law of
conservation of mass.
(1)
(b) Carbon-di-oxide can be prepared by either sodium hydrogen carbonate is heated
strongly or sodium hydrogen carbonate is treated with HCI. The composition of
carbon-di-oxide obtained by both the methods remains same. Which law is
proved by this example.
(c) How did Berzelius assign symbols to the elements? (1)​

Answer 1

Answer:

a) The postulate of Dalton's atomic theory that is the result of the law of conservation of mass is-the relative number and kinds of atoms are constant in a given compound. Atoms cannot be created nor destroyed in a chemical reaction.