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Test- Unit 2

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Total cards: 8•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (8)

#1
Front (Question)

• Which of the following is not a physical change

Back (Answer)

Color U2 C2

#2
Front (Question)

• Increasing the surface area of a solid ?

Back (Answer)

Increases the speed of dissolving U2 C4

#3
Front (Question)

• Which shows the Tyndall Effect

Back (Answer)

A. Colloids U2 C1

#4
Front (Question)

• The solubility of which salt is the least affected by temperature?

Back (Answer)

NaCl U2 C4

#5
Front (Question)

• List and explain the three factors that increase the solubility(dissolving) rate of substance

Back (Answer)

• Heating it • Stirring the mixture • Change the size of solute U2 C4

#6
Front (Question)

A piece of wood that measures 3 cm by 6 cm by 4 cm has a mass of 80 g. What is the density of the wood if the density of the water is g/mL ?

Back (Answer)

Forgot the given U2 C2

#7
Front (Question)

Find the mass of a 50 mL volume of water if the density of water is g/mL.

Back (Answer)

Wrong given and formula U2 C2

#8
Front (Question)

A graduated cylinder has 33.5 of water. A piece of metal is added to the water and the new volume is now 46.2 mL. If the metal of 16.25 g, what is the density?

Back (Answer)

Wrong volume U2 C2