Question

1. choose the best answer using the table.

chemical compounds
compound chemical formula elements
sand sio2 silicon and oxygen
sugar c12h22o11 carbon, hydrogen, and oxygen
lime cao calcium and oxygen
salt nacl sodium and chlorine
hydrogen peroxide h2o2 hydrogen and oxygen
carbon dioxide co2 carbon and oxygen
what is the chemical formula for the compound of lime?
h2o2
co2
cao
sio2

Explanation:

Step1: Locate lime in table

Find lime in the "Compound" column of the table.

Step2: Identify formula

Read the corresponding chemical - formula in the "Chemical Formula" column.

Answer:

C. CaO