Question

List two elements and two compounds used at home and describe how they are useful to us.

Answer 1

The elements used in our homes are:

1. Tungsten- used in electric bulbs as filaments.

2. Phosphorus- on the tip of matches.

The compounds used in our homes:

1. Sodium chloride( NaCl) - known as common salt; used in cooking.

2.Acetic acid( CH3COOH) -commonly known as vinegar is used in cooking or flavouring various foods.

Answer 2

Answer:

baking soda

Explanation:

for cooking