Materials

What is the only metal that is liquid at room temperature?

• Gold

• Iron

• Copper

• Mercury

Which property of metals allows them to be hammered into shape?

• Conductivity

• Malleability

• Ductility

• Sonorous

What property of non-metals means they do not reflect light very well and the surface is not as smooth as metals?

• Malleability

• Brittleness

• Insulation

• Ductility

What is the function of the condenser in the process of separating two liquids with different boiling points?

• To heat the liquid vapor into gas form

• To cool the liquid vapor into liquid form

• To mix the two liquids together

• To separate the liquids using a filter

What is the name of the property that states non-metals may shatter if you drop them?

• Ductility

• Conductivity

• Brittleness

• Malleability

Which indicator turns red in acids and blue in alkalis?

• Universal indicator

• Phenolphthalein

• Litmus

• Red cabbage juice

What is the name of the alloy made of copper and tin?

• Brass

• Bronze

• Steel

• Aluminum

What process is used to separate a mixture of powdered black carbon and table salt?

• Decantation

• Evaporation

• Distillation

• Filtration

What is the property of acids that makes them corrosive and harmful?

• Conductivity

• Corrosiveness

• Brittleness

• Insulation

Why are hazard warning labels used on chemical bottles?

• To warn about the hazardous nature of the chemical

• To show the brand of the chemical

• To indicate the price of the chemical

• To indicate the color of the chemical