Advertisements
Advertisements
प्रश्न
Name the scientists who discovered the following:
Elements
Advertisements
उत्तर
A scientist who discovered Elements:
Antoine Lavoisier was a French nobleman. He revolutionized chemistry. Lavoisier named the elements carbon, hydrogen, and oxygen and discovered the role of oxygen in combustion and respiration for which he is most noted. He established that water is a compound and helped to continue the transformation of chemistry from a qualitative science to a quantitative one
APPEARS IN
संबंधित प्रश्न
Give two examples of the following substance.
Food preservatives
Give two examples of the following substance.
Building materials
Name the chemicals which help in increasing food production.
Name the scientists who discovered the following:
Oxygen
_____________ help to increase the production of food.
Write True or False against the following statement.
D.D.T. is an important fertiliser:
Choose the correct alternative from the choices given below for the following statement:
Mortar is used as a
State the contributions of John Dalton – towards the development of Chemistry.
Preservatives are added to food or beverages.
Give reasons for the following
Polyester is added to natural fiber cotton, to give terylene.
