Language of Chemistry

The formula for Silver [I] chloride is:

• AgCl

• SiCl

• AgCl₂

• AgCl₂

State the possible valencies for Iron:

• 1 and 2

• 2 and 3

• 4 and 2

• 3 and 5

The term used for substances which are formed as a result of chemical reaction

• Reactants

• Catalyst

• Products

• Precipitate

The chemical name for Nitric oxide (NO) is:

• Nitrogen peroxide

• Nitrogen Monoxide

• Dinitrogen oxide

• None of the above

Choose the elements whose valency is 2+

• Oxygen

• Magnesium

• Sodium

• Beryllium

Which out of these will form an anion?

• Ammonium

• Chlorine

• Nickel

• Iron

What is the valency for Zincate radical?

• 3+

• 4+

• 2-

• 1-

The chemical formula for Magnesium Nitride is:

• MgNO₄

• (Mg)₂NO₃

• MnN₂

• Mg₃N₂

The valency of copper in CuO is:

• 3+

• 2+

• 1+

• none of the above

Lead Sulphate+Ammonium Hydroxide → Ammonium sulphate +Lead hydroxide.

Choose the correct Chemical equation for the above mentioned word equation.

• PbSo₄ + Nh₄OH → NH₄SO₄ + Pb(OH)₂

• PbSO₄ + NH₄OH → NH₄(SO₄)₂ + Pb(OH)₂

• PBSO4 + NH_4OH → NH₄SO₄ + PB(OH)₂

• PbSO₄ + NH₄OH → (NH₄)₂SO₄ + Pb(OH)₂