Salts, Bases & Ions PreLess

What is the common salt used to flavour and preserve food?

• Sodium chloride

• Potassium chloride

• Magnesium chloride

• Calcium chloride

What is the word equation for neutralization reaction?

• acid + water -> base + salt
• base + salt -> acid + water
• acid + base -> salt + water
• acid + salt -> base + water

What is formed when acid and alkali react?

• Salt and water

• Salt and sugar

• Water and vinegar

• Water and sugar

What are metal oxides and metal hydroxides?

• Bases

• Acids

• Salts

• Alkalis

What do soluble bases form when mixed with water?

• Acids

• Bases

• Salts

• Alkalis

All bases are alkali

• False
• True
• Some bases are acidic
• All bases are acidic

What is an ion?

• Negatively charged particle

• Positively charged particle

• Electrically neutral particle

• Electrically charged particle

What happens when an atom loses electrons?

• It forms a negatively charged ion

• It forms a positively charged ion

• It becomes neutral

• It becomes an acid

All acids contain __________

• oxygen ions (O-)
• hydrogen ions (H+)
• sodium ions (Na+)
• carbon ions (C-)

What is a salt?

• Compound formed when hydrogen ions of an acid are replaced by a metal ion

• Compound formed when hydrogen ions of an acid are replaced by a non-metal ion

• Compound formed when oxygen ions of an acid are replaced by a metal ion

• Compound formed when oxygen ions of an acid are replaced by a non-metal ion