Advertisements
Advertisements
प्रश्न
Write True or False against the following statement.
D.D.T. is an important fertiliser:
विकल्प
True
False
Advertisements
उत्तर
False
APPEARS IN
संबंधित प्रश्न
Give two examples of the following substance.
Fungicides
What is the contribution of chemistry in following field?
Medicines
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Safety lamp
Fill in the blank:
L.P.G. is used for ___________
Choose the correct alternative from the choices given below for the following statement:
Mortar is used as a
State the contributions of Dimitri Mendeleev
Differentiate between the terms food preservatives and food processing with appropriate examples.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
Give reasons for the following
Cosmetics may contain preservatives, as one of their ingredients.
