Solution X reacts with Ca solid to give effervescence.

Which of the following could be the identity of X(aq)?

Give the GENERAL ionic equation for aqueous silver nitrate + aqueous halide

Silver nitrate solution reacts with X(aq) to form a precipitate.

It is difficult to decide if the precipitate is cream or yellow.

Upon addition of concentrated ammonia solution, the precipitate remained. Which of the following could be the identity of X(aq)?

Acids react with bases, such as group 1 metal oxides, to give a salt and water.

The equation shows nitric acid reacting with sodium oxide.

2HNO₃ + Na₂O → 2NaNO₃ + H₂O

True or false, the chemical equation shown above is balanced?

Acids react with bases, such as group 2 metal oxides, to give a salt and water.

The equation shows hydrochloric acid reacting with barium oxide.

HCl + 2BaO → BaCl₂ + 2H₂O

True or false, the chemical equation shown above is balanced?

Acids react with bases, such as group 1 metal oxides, to give a salt and water.

The equation shows sulfuric acid reacting with potassium oxide.

H₂SO₄ + K₂O → 2K₂SO₄ + H₂O

True or false, the chemical equation shown above is balanced?

Acids react with bases, such as group 2 metal hydroxides, to give a salt and water.

The equation shows sulfuric acid reacting with strontium hydroxide.

H₂SO₄ + Sr(OH)₂ → 2SrSO₄+ 2H₂O

True or false, the chemical equation shown above is balanced?

Acids react with bases, such as group 1 metal oxides, to give a salt and water.

The equation shows hydrochloric acid reacting with caesium oxide.

2HCl + Cs₂O → 2CsCl + H₂O

True or false, the chemical equation shown above is balanced?

(In

practice, where the balancing number =1, this would be implied rather than

shown. For this activity if the balancing number is 1, input 1)