Unit test metals page 37 to 42

Which of the following statements are true . Tick all

• metals are lustrous

• non metals are sonorous

• metals are ductile

• non metals are not malleable

Malleability is the property of metals which allows it to be drawn into thin wires.

• True

• false

All metals except __________ exist as solids at room temperature

A non metal that is lustrous is _________

Gallium and caesium have low melting points. They melt if kept on your hand.

• False

• true

choose the correct statement

• metal oxides which react with both acids and bases to form salt and water are called as amphoteric oxides

• metal oxides which react only with acids are called amphoteric oxides

School bells are made of metals

• since metals are sonorous

• since metals are malleable

Aluminium combines with oxygen to form

• Aluminium oxide

• Aluminate

Metals oxides are mostly insoluble in water

• False

• True

metal oxides dissolve in water to form ____________