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प्रश्न
Fill in the blank:
Inert gases were discovered by ___________
उत्तर
Inert gases were discovered by William Ramsay.
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संबंधित प्रश्न
How is chemistry helpful in improving the health of human beings?
Name the chemicals which help in increasing food production.
What is the contribution of chemistry in following field?
Medicines
Name the scientists who discovered the following:
Safety lamp
Name the scientists who discovered the following:
Elements
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
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
Give reasons for the following
All medicines must be taken under proper doctors' supervision and in the correct dose.
