Untitled Quiz

Who synthesized an organic compound urea from an inorganic compound ammonium cyanate?

• Einstein

• Wohler

• Bohr

• Rutherford

What is the main element in all organic compounds?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

What is the Latin word from which the name 'carbon' is derived?

• Ignis

• Aqua

• Terra

• Carbo

In what form is carbon found in nature?

• Liquid

• Gas

• Solid

• Plasma

What is the proportion of carbon in the form of carbon dioxide in the atmosphere?

• 0.03%

• 0.07%

• 0.01%

• 0.05%

What are some examples of fossil fuels containing carbon?

• Sodium, Potassium, Magnesium

• Coal, Petroleum, Natural Gas

• Iron, Copper, Zinc

• Hydrogen, Oxygen, Nitrogen

Which of the following are carbonaceous nutrients?

• Acids, Bases, Salts

• Sugar, Salt, Water

• Vitamins, Minerals, Fiber

• Carbohydrates, Proteins, Fats

In what form is carbon found in natural fibres?

• Cellulose

• Protein

• Lipid

• Nucleic Acid

What do some types of plants on the ocean floor convert carbon in marine water into?

• Calcium Carbonate

• Sodium Chloride

• Magnesium Sulfate

• Potassium Nitrate

What is the property of elements where some occur in more than one form?

• Monomorphism

• Polymorphism

• Allotropy

• Isotropy