Question

Sodium metal is placed in water to produce sodium hydroxide (NaOH)

ions and hydrogen gas (H2).
Which substance in the chemical reaction is a solid?
a Sodium
b Water
C Sodium hydroxide ions
d Hydrogen vapor

Answer 1

a Sodium

Step-by-step explanation:

The solid in this reaction is the sodium metal. A solid is a substance held together by attractive forces that are very strong.

Solids have a fixed shape and volume.

• Metals are solids
• Sodium is an alkali metal belonging to the first group on the periodic table.
• This solid combines with the liquid water.
• The product is an aqueous sodium hydroxide.