End of Year 8 Chemistry Revision

Which of the following are properties of non-metals?

• sonorous, bad conductor of heat and electricity, brittle, high density.
• not sonorous, good conductor of heat and electricity, malleable, low density.
• not sonorous, bad conductor of heat and electricity, brittle, low density.
• sonorous, good conductor of heat and electricity, malleable, high density

Which of the following statements is a correct description of the Periodic Table?

• The vertical columns of the Periodic Table are called groups. The horizontal rows are periods. There are patterns in element properties down groups and across periods.
• The vertical columns of the Periodic Table are called periods. The horizontal rows are groups. There are patterns in element properties down groups and across periods.
• The vertical columns of the Periodic Table are called groups. The horizontal rows are periods. There are patterns in element properties down periods and across groups.
• The vertical columns of the Periodic Table are called periods. The horizontal rows are groups. There are patterns in element properties down periods and across groups.

From top to the bottom of Group 1...

• Boiling point and melting point increases and the vigor of the reaction with water increases.
• Boiling point and melting point decreases and the vigor of the reaction with water increases.
• Boiling point and melting point decreases and the vigor of the reaction with water decreases.
• Boiling point and melting point increases and the vigor of the reaction with water decreases.

What are the products of the following reactions?
a.   fluorine + potassium chloride ->
b.    iodine + potassium bromide ->

• a. potassium chloride + fluorine
  b. iodine + potassium bromide
• a. potassium chloride + fluorine
  b. potassium iodide + bromine
• a. potassium fluoride + chlorine
  b. potassium iodide + bromine
• a. potassium fluoride + chlorine
  b. iodine + potassium bromide

The Noble Gases is another name for the...

• Group 1 Elements
• Group 7 Elements
• Group 0 Elements
• Group 2 Elements

Which of these statements are true?
a. A mixture is made up of different substances that are chemically joined together.
b. You cannot change the amounts of substances in a mixture.
c. A pure substance has no other substance mixed with it.

• a, b and c
• only b and c
• only a
• only c

A solute is...

• A mixture of a liquid with a solid or a gas. 
• The solid or gas that dissolves in a solution.
• The liquid in which a solid or gas dissolves.
• The mass of a substance that can dissolve in 100g of water.

A saturated solution...

• does not dissolve.
• is the mass of substance that can dissolve in 100g of water.
• is a solution that can take in more solid. 
• is a solution that contains the greatest mass of a solid that can dissolve. It contains undissolved solid.

What is the missing label on the diagram?

• Filter Funnel
• Thermometer
• Clamp Stand
• Beaker

What is the missing label on the diagram?

• Steam
• Condenser
• Residue
• Tripod