CHEM 1030 lab final

When performing a flame test, what color of flame does calcium (Ca2+) produce?

• Orangish-red

• Yellow

• Crimson red

• Lilac

When performing a flame test, what color of flame does Lithium (Li+) produce?

• Indigo

• Orangish-red

• Crimson red

• Yellow

When performing a flame test, what color of flame does Potassium (K+) produce?

• Bright red

• Blue green

• Green

• Lilac

When performing a flame test, what color of flame does Rubidium (Rb+) produce?

• Indigo

• Hot pink

• Bright red

• Blue green

When performing a flame test, what color of flame does Cesium (Cs+) produce?

• Indigo

• Orangish red

• Yellow

• Hot pink

When performing a flame test, what color of flame does Strontium (Sr2+) produce?

• Yellow

• Crimson red

• Bright red

• Orangish red

When performing a flame test, what color of flame does Barium (Ba2+) produce?

• Hot pink

• Blue green

• Lilac

• Green

When performing a flame test, what color of flame does Copper (Cu2+) produce?

• Green

• Blue green

• Indigo

• Hot pink

When performing a flame test, what color of flame does Iron (Fe2+) produce?

• Mustard yellow

• Crimson red

• yellow

• Orangish red

d. CaH2
Solution:When a sulfuric acid (H2SO4) solution reacts with an aqueous solution of calcium
chloride (CaCl2), a white precipitate gets formed. What is the identity of the white
precipitate?

• HCl

• CaS

• CaSO4

• CaH2