PRE-TEST (Q3M5)-CHEMICAL REACTION RATE

PRE-TEST (Q3M5)-CHEMICAL REACTION RATE

11th Grade

15 Qs

quiz-placeholder

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PRE-TEST (Q3M5)-CHEMICAL REACTION RATE

PRE-TEST (Q3M5)-CHEMICAL REACTION RATE

Assessment

Quiz

Other

11th Grade

Hard

Created by

FLAVIANO RACUMA

Used 5+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a sign of a chemical change? The sign of a chemical change is a change in _______.

COMPOSITION

MASS

SHAPE

VOLUME

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the minimum amount of energy needed to start a chemical reaction?

HEAT

SOUND

BIOMASS

ACTIVATION ENERGY

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is referred to as substances that take part in a chemical reaction?

INGREDIENTS

MATERIALS

PRODUCTS

REACTANTS

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the substance used to speed up a chemical reaction?

ACTIVATOR

CATALYST

INHIBITOR

INITIATOR

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which states that chemical reactions will occur when reacting molecules are in the proper orientation and have enough energy for the reaction?

COLLISION THEORY

DALTON`S ATOMIC THEORY

LAW OF DEFINITE PROPORTION

LAW OF CONSERVATION

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following will NOT increase reaction rate?

PRESENCE OF CATALYST

PRESENCE OF INHIBITOR

INCREASED TEMPERATURE

INCREASED CONCENTRATION

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does NOT happen when you increase the temperature of a reacting system? When you increase the temperature of a reacting system, the particles will _________.

MOVE FASTER

COLLIDE MORE OFTEN

COLLIDE WITH MORE ENERGY

COLLIDE IN THE CORRECT ORIENTATION

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