Advertisements
Advertisements
प्रश्न
Fill in the blank:
Inert gases were discovered by ___________
Advertisements
उत्तर
Inert gases were discovered by William Ramsay.
APPEARS IN
संबंधित प्रश्न
Give two examples of the following substance.
Medicines
Name the scientists who discovered the following:
Oxygen
Name the scientists who discovered the following:
Elements
_____________ help to increase the production of food.
Choose the correct alternative from the choices given below for the following statement:
Mortar is used as a
State the contributions of Antoine Lavoisier
Explain how medicines are a boon to mankind. State the positive & negative effects of medicines like aspirin and paracetamol.
Preservatives are added to food or beverages.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
Give reasons for the following
Aspirin is one of the most widely used medications – globally.
