C5 Chemical changes -neutralisation reactions

Metal oxide + acid -->

• salt + water

• salt + oxygen

• salt + hydrogen

• salt + water + carbon dioxide

metal + acid -->

• salt + hydrogen

• salt + water

• salt + carbon dioxide

acid + base -->

• salt + water

• salt + oxygen

• salt + carbon dioxide

When an acid and a base react, a ______________ reaction takes place.

• Displacement

• Oxidation

• Neutralisation

• Transamination

H₂SO₄ + CuO -->

• CuSO₄ + O₂

• CuSO₄ + H₂O

• CuSO₄ + CO

What is a base?

• A soluble alkali

• An insoluble alkali

• A miscible alkali

• An immiscible alkali

Acids are substances which produce________ when you add them to water.

• H

• OH

• H⁺

• OH^-

H2SO4 is the Formula for __________________ acid

• sulphuric
• oxidised
• loss
• gain
• nitric

HNO3 is the formula for ____________ acid

• nitric
• carbon
• hydrogen
• displacement
• acids

An _________________ is a soluble base which dissolves in water.

• alkali
• dilute
• carbon
• displacement
• sulphuric