Question

Answer the following questions:-
Q1. Who was the first Indian Philosopher who put forward the concept of
"parmanu' (atom)?
Q2. What does the word 'atom' in Latin means?
Q3. Who put forward the law of conservation of mass?
Q4. Name the scientist, who gave the law of constant proportions?
Q5. State 'Law of conservation of Mass' and the Law of Constant
Proportion'. Explain the both laws with a suitable example for each.
Q6. What are the postulates of Dalton's atomic theory?
Q7. What are the limitations of Dalton's atomic theory?
Q8. What is an atom? How do atoms exist?​
Q9.Give the names of any three elements whose names have been derived from latin.give their latin names and symbols.
Q10.what mass of silver nitrate will react with 5.85g of sodium chloride to produce 14.35g of silver chloride and 8.5g of sodium nitrate if the law of conservation of mass is true?

Answer 1

Answer:

2). Word Origin for atom

C16: via Old French and Latin, from Greek atomos (n), from atomos (adj) that cannot be divided, from a- 1 + temnein to cut.

Explanation:

3). The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that 4). 4).

Joseph Proust

The law of constant proportion was given by Joseph Proust in 1779. at the end of the reaction.