Chemistry Quiz

What is the molecular formula of glucose?

• C6H12O6

• CH4

• H2O

• CO2

What is the atomic number of carbon?

• 6

• 12

• 14

• 8

What is the pH value of a neutral solution?

• 7

• 1

• 14

• 0

What is the chemical symbol for hydrogen?

• H

• He

• O

• N

Which element is the main constituent of organic compounds?

• Carbon(C)

• Oxygen(O)

• Nitrogen(N)

• Hydrogen(H)

Which element has the symbol Fe?

• Iron

• Fluorine

• Iodine

• Silver

Which type of bond involves the sharing of electrons between atoms?

• Ionic bond

• Covalent bond

• Metallic bond

• Hydrogen bond

What is the chemical name for tablesalt?

• Sodiumchloride

• Calciumcarbonate

• Potassiumnitrate

• Ironsulfate

Which of the following elements is a noble gas?

• Helium(He)

• Nitrogen(N)

• Oxygen(O)

• Carbon(C)

Which type of reaction involves the exchange of ions between reactants?

• Doubledisplacement

• Decomposition

• Combustion

• Synthesis