3E Sc(Chem) Acids and Bases

Complete the following reaction:

HCl + Mg(OH)₂ → ???

• MgCl₂ + H₂O

• Mg +H₂O

• MgCl₂ + H₂

• MgCl₂ + H₂O + CO₂

Which is true of all reactions of acid with metals, bases, and carbonates?

• Salt is formed

• Carbon dioxide is produced

• Water is formed

• Hydrogen gas is produced

Which of the following is a physical property of alkalis?

• Have a sour taste

• Produce hydrogen ions in aqueous solutions

• Turn blue litmus paper red

• Feel slippery and soapy

What is the general equation for the reaction between an acid and a metal?

• Acid + Metal ➝ Salt + Water

• Acid + Metal ➝ Salt + Hydrogen Gas

• Acid + Metal ➝ Water + Carbon Dioxide

• Acid + Metal ➝ Salt + Oxygen

Which of the following is a characteristic property of bases?

• Turns red litmus paper blue

• Produces hydrogen ions in aqueous solutions

• Forms salts with water and carbon dioxide

• Reacts with metals to produce salts

What is the general equation for the reaction between an alkali and an acid?

• Alkali + Acid ➝ Salt + Water

• Alkali + Acid ➝ Salt + Hydrogen Gas

• Alkali + Acid ➝ Water + Carbon Dioxide

• Alkali + Acid ➝ Salt + Oxygen

Which of the following is a physical property of acids?

• Produce hydroxide ions in aqueous solutions

• Have a bitter taste

• Feel slippery and soapy

• Turn blue litmus paper red

What is the name of the salt formed when magnesium oxide reacts with dilute sulfuric acid?

• Magnesium carbonate

• Magnesium hydroxide

• Magnesium nitrate

• Magnesium sulfate

Which of the following is a chemical property of alkalis?

• Produces hydrogen ions in aqueous solutions

• Turns red litmus paper blue

• Reacts with acids in a neutralisation reaction

• Forms salts with metals

What is the name of the salt formed when potassium hydroxide reacts with ammonium chloride?

• Potassium carbonate

• Ammonium hydroxide

• Sodium chloride

• Potassium chloride