3rd 6 Weeks Exam: Review Part 1

Front

Which property of water describes the tendency of water molecules to attract to each another?

Back

Cohesion

Front

Which substance most likely caused a new substance to be formed when mixed with water? Options: Substance 1, Substance 2, Substance 3

Back

Substance 2

Front

Which set of coefficient values correctly balances the reaction between chromium metal and oxygen gas? Options: Cr(s) + 3O₂(g) ⟶ 2Cr₂O₃(s), Cr(s) + 3O₂(g) ⟶ Cr₂O₃(s), 4Cr(s) + O₂(g) ⟶ 2Cr₂O₃(s), 4Cr(s) + 3O₂(g) ⟶ 2Cr₂O₃(s)

Back

4Cr(s) + 3O₂(g) ⟶ 2Cr₂O₃(s)

Front

Which of the following models best represents a mixture? A, B, C, D

Back

D

Front

How many grams of sulfuric acid were used in the reaction?

Back

62 g

Front

A student is pushing two blocks on a smooth, frictionless surface. What force is required in order to produce an acceleration of 2.5 m/s²?

Back

75 N

Front

A toy truck is at rest on the floor. Which statement describes the forces acting on the toy truck?

Back

The forces are balanced so no motion occurs.

Front

During which part or parts of the marble’s fall did the marble experience unbalanced forces?

Back

Parts 1 and 2 only

Front

A student bounces a basketball off the gym floor. Which statement correctly describes the action-reaction force pair that causes the ball to bounce? The gym floor pushes up on the ball as the ball pushes down on the floor with an equal amount of force.

Back

The gym floor pushes up on the ball as the ball pushes down on the floor with an equal amount of force.