chemical properties of metals

Magnesium reacts with oxygen to make

• magnesium oxide / basic in nature

• magnesium oxide / acidic in nature

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When sodium reacts with water it produces ___________

• hydrogen

• carbon dioxide

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Metal oxides reacts with acids and form corresponding salt and water .The reaction is called ____________

• Neutralization reaction

• Acid - base reaction

Sodium is kept in the oil in Lab .

• because it is highly reactive

• because its really soft

When sodium reacts with water it starts floating

• because hydrogen formed sticks to its surface and makes it less dense

• because it is less dense than water

Tags

NGSS.MS-PS1-2

Sodium and potassium are highly reactive .

• yes

• no

Color is a _________________.

• Chemical property

• Physical property

• Absence property

Tags

NGSS.MS-PS1-2

______________________ can only be recognized when substances react or do not react chemically with one another.

• Physical properties

• Chemical properties

• Flammable properties

• Colorful properties

Tags

NGSS.MS-PS1-2

Flammability means the ability to _______ and is a _________ property.

• melt; chemical

• rust; physical

• change; physical

• burn; chemical

Tags

NGSS.MS-PS1-2

Rusting is when substances react slowly with _________.

• Water

• Oxygen

• Hydrogen

• Lithium

Tags

NGSS.MS-PS1-2