Year 8 Easter chemistry quiz

What is the general reaction equation for an acid reacting with a metal?

Which of the following metals reacts vigorously with oxygen to form a metal oxide?

• Gold

• Silver

• Magnesium

• Platinum

What is the product when sodium reacts with water?

• Sodium Hydroxide and Oxygen

• Sodium Oxide and Hydrogen

• Sodium Hydroxide and Hydrogen

• Sodium Chloride and Water

Which of the following is a characteristic of ceramics?

• They are good conductors of electricity.

• They are flexible and can be stretched.

• They are brittle and can withstand high temperatures.

• They are made from metals.

What is the primary method used to extract iron from its ore?

• Electrolysis

• Blast Furnace

• Distillation

• Filtration

Which of the following metals is most likely to rust when exposed to air and moisture?

• Aluminium

• Copper

• Iron

• Gold

What are the main components of a blast furnace used in extracting iron?

• Limestone

• Coke

• Iron Ore

• All of the above

Which of the following is a property of polymers?

• They are always rigid.

• They are made from small repeating units.

• They conduct electricity well.

• They are always transparent.

Which of the following is a composite material?

• Steel

• Reinforced Concrete

• Copper

• Glass

What is the role of limestone in a blast furnace?

• To provide heat

• To remove impurities

• To add carbon

• To supply oxygen