Colour of precipitate when sodium hydroxide is added to a Calcium ion solution.

A few drops of sodium hydroxide solution was added to a metal salt solution.

A dark green gelatinous precipitate was formed.

Which metal ion (cation) was present in the salt solution?

A few drops of sodium hydroxide solution was added to a metal salt solution. A brown gelatinous (jelly-like) precipitate was formed.

Which metal ion (cation) was present in the salt solution?

The diagram shows a chemical reaction that produces a gas. The gas bleaches damp litmus paper.

What is the gas?

Flame test is carried out on a sample, what color would be seen in the flame, if the sample is copper sulfate?

Few drops of dilute sodium hydroxide solution are added to solution X, blue precipitate forms, this confirms the presence of

Few drops of dilute sodium hydroxide solution are added to solution X, brown precipitate forms, this confirms the presence of

Few drops of dilute sodium hydroxide solution are added to solution X, white precipitate insoluble in excess forms, this confirms the presence of

Test for oxygen

Test for carbon dioxide

A Flame test is carried out on a sample, what color would be seen in the flame, if the sample is Lithium nitrate?

Few drops of silver nitrate solution are added to a solution W, a white precipitate forms, this confirms the presence of

Few drops of silver nitrate solution are added to a solution, cream precipitate forms, this confirms the presence of

Few drops of barium nitrate solution are added to a solution, white precipitate forms, this confirms the presence of

Few drops of aqueous ammonia solution are added to solution X, white precipitate soluble in excess forms, this confirms the presence of

few drops of HCl are added to a solution X, bubbles of gas that turn lime water milky form, this confirms the presence of

A small amount of sodium hydroxide solution and pieces of aluminum foil are added and the mixture is heated gently. An alkaline gas is released, this shows the presence of

A gas which turns moist red litmus paper blue.

Using solution X, a student successfully tested for the presence of chloride ions. What is solution X and the result of the test?

Which test and result show that a fertiliser contains nitrate ions?

Test for sulphate ions is....

What am I?

Barium nitrate gave a white precipitate

Flame colour was yellow

Test for hydrogen

Effect of aqueous sodium hydroxide on ammonium (NH₄⁺)