Advertisements
Advertisements
प्रश्न
Fill in the blank:
Inert gases were discovered by ___________
उत्तर
Inert gases were discovered by William Ramsay.
APPEARS IN
संबंधित प्रश्न
What is the contribution of chemistry in following field?
Industry
What is the contribution of chemistry in following field?
Medicines
Name the scientists who discovered the following:
Elements
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
Explain in brief the importance of Chemistry in agriculture.
State the contributions of Dimitri Mendeleev
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
Give reasons for the following
Cosmetics may contain preservatives, as one of their ingredients.
Give reasons for the following
All medicines must be taken under proper doctors' supervision and in the correct dose.