Test

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• Bgg

• Nn

• Mm

• L

Zinc reaction with water produces_________.

• Zinc Oxide

• Zinc Sulphate

• Hydrogen gas

• Calcium Hydroxide

What prevents Rusting

• Painting , Oiling , Galvinising

• Washing with water

Which state of matter are most metals at room temperature?

• solid

• liquid

• gas

• degrees

4Fe + _________ + 2H₂O = 2fe₂O₃H₂O

• CuSO₄

• O₂

• 3O₂

• Cu

Metals react with acids to produce _____________.

• Oxygen

• Smoke

• Hydrogen

• Nitrogen

Which of the following is NOT a characteristic of most metals?

• Brittle
• Good conductor
• Ductile
• Malleable

Why do you think people use plastic for their products ?

• Because it's strong
• Because its very cheap and it's easy to make
• Because it's expensive
• Because it's rare and it's good for the enviorment

Most metals are solid at room temperature

• False

• True

Which of the following the most reactive in dilute acid

• magnesium

• calcium

• aluminum

• zinc