11.

Part (i) to (v) refer to changes in the properties of elements on moving left to right across a period of the periodic Table. For each property choose the letter corresponding to the correct answer from the choice A, B,C and D.

The ionization potential:

• Goes up and down

• Decreases

• Increases.

• Increases.

Part (i) to (v) refer to changes in the properties of elements on moving left to right across a period of the periodic Table. For each property choose the letter corresponding to the correct answer from the choice A, B,C and D.

The atomic size:

• Decreases

• Increases.

• Remains the same

• Remains the same

Part (i) to (v) refer to changes in the properties of elements on moving left to right across a period of the periodic Table. For each property choose the letter corresponding to the correct answer from the choice A, B,C and D.

The electron affinity of the elements in groups 1 to 7: 

• Goes up and then down.

• Decreases and then increases.

• Increases.

• Increases.

Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choice A, B, C and D given below:-

The type of bonding in X will be:-

• Ionic

• Electrovalent

• Covalent

• Covalent

Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choice A, B, C and D given below:-

X is likely to have a :-

• Low melting point and high boiling point

• High Melting point and low boiling Point.

• Low melting point and low boiling point.

• Low melting point and low boiling point.

Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choice A, B, C and D given below:-

In the liquid state, X will:

• Become ionic

• Be an electrolyte

• Conduct electricity

• Conduct electricity

Write balanced equation fro the following reactions: 
Potassium hydrogen carbonate and dilute Sulphuric acid.

Write balanced equations for the following reactions: 
Sodium nitrate and concentrated Sulphuric acid.

Write balanced equations for the following reactions:
Copper oxide and dilute Hydrochloric acid.

Write balanced equations for the following reactions: 
Manganese (IV) oxide and concentrated Hydrochloric acid.