Metal and Non Metal

Malleability is defined as

• Metals can be drawn into wires

• Metals have a shining surface

• Metals can be beaten into thin sheets

• Metals produce a ringing sound

Match column I with column II

• 1 - ii , 2- i , 3- iv , 4- iii

• 1 - iii , 2- i , 3- iv , 4- ii

• 1 - iv , 2- ii , 3- i , 4- iii

• 1 - iii , 2- iv , 3- ii , 4- i

Identify the mismatched pair

• Non metal which conduct electricity - Graphite

• Liquid Non metal - Bromine

• Hardest non metal - Diamond

• Lustrous non metal – chlorine

The gas released when metal reacts with water or acids is

• Oxygen

• Carbon dioxide

• Hydrogen

• Chlorine

Observe the given equation and identify X

4 Al + 3 O2 ------- X

• 2 Al3O2

• 2 Al2O3

• 4 Al3 O2

• 4 Al3O2

Metal oxides which react with both acids as well as base to produce salts and water are known as

• Neutral oxide

• Acidic oxide

• Basic oxide

• Amphoteric oxide

Amphoteric oxides among the following are

• Aluminum oxide and sodium oxide

• Aluminum oxide and iron oxide

• Zinc oxide and manganese oxide

• Aluminum oxide and Zinc oxide

Identify balanced equation among the following

• 3Fe(s) + H2O → 3 Fe3O4 + H2

• 2 Fe(s) + 4H2O → Fe3O4 + H2

• 3Fe(s) + 4H2O → Fe3O4 + H2

• 3Fe(s) + 4H2O → Fe3O4 +4 H2

Which if the following reaction does not possible

• Zn + CuSO4 ------ ZnSO4 + Cu

• Fe + ZnSO4------ FeSO4 + Zn

• Zn + FeSO4 ------ ZnSO4 + Fe

• Fe + CuSO4 ------ FeSO4 + Cu

Observe the following chemical equation and identify the correct statement

1. Zn + CuSO4 ------ ZnSO4 + Cu

2. 2 AgNO3 + Cu ---------- Cu(No3) 2 + 2 Ag

• Copper is more reactive than zinc and silver

• Zinc is less reactive than copper and silver

• Copper is more reactive than silver and less reactive than zinc

• Silver is more reactive than copper and zinc