Advertisements
Advertisements
प्रश्न
What kind of experiments did Alchemists do?
Advertisements
उत्तर
‘Alchemists’ considered to be early chemists. They used all general techniques of chemistry in healing humans. Their contribution proved valuable to society and in the advancement of civilization.
They had contributed to an incredible number of future uses of chemicals, metals, ink, paints, cosmetic, medicines, porcelain, etc
APPEARS IN
संबंधित प्रश्न
What is chemistry?
What is the contribution of chemistry in the following field?
National Defence
Write True or False against the following statement.
Chemistry plays an important role in the national economy:
State the functions of the following basic glass apparatus:
Retort
State the function of
The wooden handle at the end of the test tube holder.
State the function of
The asbestos fixed at the center of the wire gauze.
Give a comparative difference between soaps and detergents. Give a reason. why detergents have an advantage over soap.
Select the correct name from the choices given below for the following case.
A synthetic fiber used in clothing.
Select the correct name from the choices given below for the following case.
A substance which dissolves grease & oil and is preferred as a – drain cleaner.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A long glass tube with a broad inlet at the top, which allows entry of the reactants into the round bottom flask, during laboratory preparations of gases.
