Acid Base and Salt

 Which of the following is a neutral ?

• baking soda
• orange juice
• water
• Soap

Balance the equation H2SO4 + Ca(OH)2 -> CaSO4 + H2O.

• H2SO4 + Ca(OH)2 -> Ca2SO4 + H2O

• H2SO4 + Ca(OH)2 -> CaSO4 + H2O2

• H2SO4 + Ca(OH)2 -> CaSO4 + H2O

• H2SO4 + Ca(OH)2 -> CaSO4 + 2H2O

What is the common characteristic of all salts?

• Covalent compound composed of cations and anions

• Metallic compound composed of cations and anions

• Organic compound composed of cations and anions

• Ionic compound composed of cations and anions

When CO2 is passed through lime water, it turns milky. The milkiness is due to formation of

• CaOH₂

• H₂O₂

• CO₂

• CaCO₃

CuO + (X) ----> CuSO₄ + H₂O, Here (X) is

• CuSO₄

• HCl

• H₂SO₄

• HNO₃

Acid react with metal to form salt and ______

• carbon dioxide

• hydrogen gas

• oxygen gas

• water

Acid react with base to form salt and _____

• water

• hydrogen gas

• carbon dioxide gas

• oxygen gas

acid reacts with carbonates to form salt, water and _____

• carbon dioxide gas

• oxygen gas

• hydrogen gas

• metal carbonate

Salt is _______

• ionic compound

• covalent compound

Salt is formed when ______ ion is displaced from the acid

• cation

• anion