Which of the following represents a mixture of 2 different elements?

Which of the following represents compounds?

Which of the following represents a mixture of 2 different elements and a compound?

For the next 6 questions, answer physical or chemical change.

Salt dissolving in water

Fireworks explode.

Food is digesting in stomach.

A tire is inflated with air.

Milk sours.

Hair grows.

Good conductor of heat.

Malleable

Acidic

Viscosity

Melts at 145⁰C

Reacts violently with chlorine

Salt water is what type of mixture?

Air is what type of mixture?

Italian Dressing is what type of mixture?

Water from the tap is what type of mixture?

Beach sand is what type of mixture?

Salt (NaCl) is an element. True of False??

Carbon is an element. True of False??

Sugar is a compound. True of False??

Carbon dioxide is an element. True of False??

What is the density of aluminum if 200 grams occupies of volume of 74 cm³?

The density of lead is 11.34 g/cm³. What would be the mass of a piece with a volume of 1.2 cm³?

The density of oil is 9 g/mL. What volume would 5 g occupy?

The ability of a solid to be hammered without shattering is known as its what?

The resistance of a liquid to flowing is known as its what?

The ability to allow heat to flow is known as its what?

Can an object float on water if its density is greater than 1 g/mL?

A 3 gram piece of gold has a density of 19.3 g/cm³. What would the density of the gold be if it was divided in half?