Chemistry Quiz SS 1

What is the force that holds atoms together in a metallic bond?

The mole ratio in a chemical reaction is the ratio of:

According to Avogadro's law, at constant temperature and pressure, the volume of a gas is directly proportional to the number of moles. If the volume of a gas is 4 L and the number of moles is 3, what is the volume of the gas when the number of moles is doubled?

How many carbon atoms are there in a molecule of ethane?

What is the general formula for alkanes?

Which of the following is a greenhouse gas that is dissolved in water and forms carbonic acid?

• Oxygen (O2)

• Nitrogen (N2)

• Carbon dioxide (CO2)

• Methane (CH4)

Which of the following describes an ionic bond?

• Sharing of electrons between atoms

• Transfer of electrons from one atom to another

• Overlapping of electron clouds between atoms

• Formation of covalent bonds between atoms

Which of the following is not a property of ionic compounds?

• High melting and boiling points

• Conduct electricity when molten or dissolved in water

• Soft and malleable

• Form crystal lattice structures

Which acid is commonly found in citrus fruits?

• Sulfuric acid

• Hydrochloric acid

• Citric acid

• Nitric acid

Which of the following is not a property of bases?

• They turn blue litmus paper red

• They feel slippery to the touch

• They have a bitter taste

• They can neutralize acids