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CCRA Science Grade 11 Practice Questions - Oklahoma College- and Career-Readiness Assessment Science Content, Grade 11 Exam

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About this Exam

Prepare with the CCRA Science Grade 11 Practice Questions - Oklahoma College- and Career-Readiness Assessment Science Content, Grade 11 Exam practice quiz. This question bank includes 100 questions covering energy, water, light, reaction, and thermal. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

Sample Questions

Question 1
A chemistry student balances the reaction between propane and oxygen gas: C3H8 + x O2 -> 3 CO2 + 4 H2O. What stoichiometric coefficient x is required to balance the oxygen atoms on both sides of the equation?
5
3
4
10
Question 2
In an experiment, 2.0 moles of hydrogen gas (H2) react completely with excess nitrogen gas to produce ammonia according to N2 + 3 H2 -> 2 NH3. How many moles of NH3 are produced?
1.33 moles
2.0 moles
3.0 moles
0.67 moles
Question 3
A student mixes aqueous sodium hydroxide (NaOH) and hydrochloric acid (HCl) in a calorimeter. The temperature of the solution increases from 21.5°C to 28.2°C. How should this chemical reaction be classified?
Exothermic reaction because thermal energy is released to the solution
Endothermic reaction because thermal energy is absorbed by the reactants
Decomposition reaction because thermal energy breaks bonds down
Precipitation reaction because temperature change creates a solid phase
Question 4
Which of the following changes will increase the rate of reaction between solid calcium carbonate marble chips (CaCO3) and hydrochloric acid (HCl)?
Crushing the marble chips into fine powder to increase surface area
Cooling the hydrochloric acid solution in an ice bath
Diluting the hydrochloric acid solution with distilled water
Increasing the overall volume of the reaction container without adding reactants
Question 5
According to the Law of Conservation of Mass, what must be true about a closed system during a synthesis reaction between iron and sulfur (Fe + S -> FeS)?
The total mass of iron sulfide produced equals the combined mass of iron and sulfur reacted
The total mass of the system increases because a compound is formed
The total mass decreases because energy is converted into mass
The mass of iron decreases while the mass of sulfur triples during bonding

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Additional Information

CCRA Science Grade 11 Practice Questions - Oklahoma College- and Career-Readiness Assessment Science Content, Grade 11 Exam

This practice set contains 100 questions from the matching question bank and focuses on energy, water, light, reaction, and thermal. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Frequently Asked Questions

This quiz contains a total of 100 practice questions carefully selected to test your knowledge on this subject.
Yes, you will have exactly 0 minutes to complete the exam. A countdown timer will be visible once you start.
Yes, you can retake this practice test as many times as you need. The questions and options may be randomized on subsequent attempts to ensure comprehensive learning.

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