Chemical Reactions 2

Fill in the blank: ___________ + water -> Magnesium Hydroxide + Hydrogen.

• Magnesium

• Iron

• Copper

• Zinc

What is a displacement reaction?

• A reaction where a more reactive metal takes the place of a less reactive metal in a compound.

• A reaction where a less reactive metal takes the place of a more reactive metal in a compound.

• A reaction where no metals are involved.

• A reaction that does not involve any change.

Which gas is produced when a metal reacts with an acid?

• Oxygen

• Carbon dioxide

• hydrogen

• Nitrogen

Which tube has Calcium in?

• A) 1

• B)2

• C) 3

• D) 4

Which of the following metals reacts with water?

• Gold

• Sodium

• Copper

• Silver

Which metal is placed at the bottom of the reactivity series and is highly unreactive?

• Platinum

• Zinc

• Tin

• Lead

Fill in the blank: _______ is used to describe the breakdown of a compound by heat.

• Electrolysis

• Thermal decomposition

• Oxidation

• Reduction

Which of the following metals will not react with hydrochloric acid?

• Aluminum

• Gold

• Iron

• Magnesium

Which metal is known for its resistance to corrosion and is often used in jewelry?

• Gold

• Iron

• Aluminum

• Lead

What is formed in a M.A.S.H reaction

• A salt and oxygen

• A salt and hydrogen

• A metal and salt

• An acid and hydrogen