Which metal reacts with oxygen to form a dull black compound?

• Iron
• Aluminium
• Copper
• Magnesium

Which metal reacts with oxygen to form a dull black compound?

• Iron
• Aluminium
• Copper
• Magnesium

Reactivity is a(n) ________property of Metal

• Chemical Property
• Physical Property

Which of the following is NOT a clue that a chemical change has occurred?

• change in color
• production of gas
• change in termperature
• change in shape

The family in the periodic table that contains the most reactive metals is the_______

• Alkaline Earth Metals
• Transition Metals 
• Alkali Metals
• Other Metals

Reacts with metals to form H₂.

• Acids
• Bases
• All
• Salts

Complete the equation below. 
Iron + Oxygen --> 

• Iron oxygen
• Iron oxide
• Iron oside
• Ion oxide

Name the metal which reacts with oxygen to form a dull black compound?

• Iron

• Aluminium

• Copper

• Magnesium

Write the products formed when sodium reacts with water?

• sodium oxide and hydrogen

• sodium hydroxide and hydrogen

• sodium hydroxide and oxygen

• sodium hydroxide and carbon dioxide

Which gas is always produced when a metal reacts with water?

• Oxygen

• Carbon Dioxide

• Hydrogen

• Carbon Monoxide