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प्रश्न
State the contributions of John Dalton – towards the development of Chemistry.
उत्तर
John Dalton
1. He compiled his theory in 1803 known as Dalton’s atomic theory.
2. The main postulates of Dalton’s atomic theory are that “Matter consists of particles called atoms, which are indivisible and cannot be created or destroyed.”
3. The theory was later contradicted in certain aspects by the Modem atomic theory
संबंधित प्रश्न
Give two examples of the following substance.
Fuel
Give two examples of the following substance.
Medicines
How is chemistry helpful in improving the health of human beings?
Name the chemicals which help in increasing food production.
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Oxygen
_____________ help to increase the production of food.
Food items like jams and pickles are protected by using ___________.
Explain in brief the importance of Chemistry in agriculture.
Food processing is an important procedure for obtaining marketable food products.
