A) A French philosopher B) A German chemist C) An English poet D) An Italian physicist
A) Biology B) Chemistry C) Physics D) Mathematics
A) 1750 B) 1850 C) 1803 D) 1700
A) Oxygen gas B) Nitrogen gas C) Carbon dioxide D) Superphosphate
A) Silicon B) Bromine C) Lead D) Gold
A) Canning B) Dehydration C) Pickling D) Fermentation
A) Nobel Prize B) Fields Medal C) Copley Medal D) Pulitzer Prize
A) Soil erosion B) Pesticides C) Crop rotation D) Plant nutrition
A) France B) Germany C) United Kingdom D) Italy
A) Carbolic acid B) Sulfuric acid C) Hydrochloric acid D) Acetic acid |