IPC Fall Review

Which is an example of a solvent?

• Salt
• Egg whites
• Water
• Sugar

Which property of water makes it an excellent solvent?

• It absorbs heat.
• It has a low freezing point.
• It is polar.
• It is less dense as a liquid  than as a solid. 

Tags

NGSS.HS-ESS2-5

A student pours 15 ml of water into a graduated cylinder. She observes that placing a 20g rock into the water causes it to rise up to 22ml. What is the density?

• 2.9 g/ml
• 1.3 g/ml
• 0.9 g/ml
• 0.4 g/ml

When a bag is broken, a compound mixes with water and the bag feels cold to the touch. Which of the following describes the reaction in the cold pack?

• The reaction is exothermic and absorbs energy.
• The reaction is endothermic and absorbs energy.
• The reaction is exothermic and releases energy.
• The reaction is endothermic and releases energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What do the elements located in Group 18 on the Periodic Table have in common?

• The have the same number of subatomic particles.
• They have the same boiling points.
• They are liquids at room temp.
• They have filled energy levels.

Which group on the periodic table has three valence electrons?

• B,C,N,O
• B, Al, Ga, In
• N, P, As, Sb
• O, S, Se, Te

Tags

NGSS.HS-PS1-1

According to the Law of Conservation of Mass,

• matter is always created in a chemical reaction.
• matter is always destroyed in a chemical reaction.
• matter is created then destroyed in a chemical reaction
• matter is not created or destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5

Find the volume of a substance if the density is .73 g/ml and the mass is 10g. 

• 13.6 ml
• 77751.9 ml
• 1.3 ml
• 10.9 ml

A funnel lined with filter paper is best to use in separating which of these materials?

• mixture of iron and sand
• mixture of sand and water
• mixture of salt and pepper
• mixture of salt and water

When metals and non-metals combine, they exchange electrons. The non-metals tend to 

• gain electron and become negative ions.
• lose electrons and remain a neutral atom.

Tags

NGSS.HS-PS1-1

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