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1. What is the primary goal of green chemistry?
A. To reduce chemical reactions to a minimum
B. To create products that are less harmful to human health and the environment
C. To replace all chemicals with natural substances
D. To reduce the cost of chemical production

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Correct Answer: B. To create products that are less harmful to human health and the environment

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2. Which of the following is NOT one of the 12 principles of green chemistry?
A. Prevention of waste
B. Energy efficiency
C. Use of renewable resources
D. Maximizing the use of toxic chemicals

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Correct Answer: D. Maximizing the use of toxic chemicals

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3. Green chemistry emphasizes the use of sustainable materials. What is a primary benefit of using renewable feedstocks?
A. They require less energy
B. They decompose faster
C. They reduce dependence on nonrenewable resources
D. They are more expensive to produce

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Correct Answer: C. They reduce dependence on nonrenewable resources

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1. Which principle of green chemistry involves using less hazardous chemical synthesis?
A. Prevention
B. Atom economy
C. Safer solvents and auxiliaries
D. Design for degradation

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Correct Answer: C. Safer solvents and auxiliaries

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2. What is the concept of “atom economy” in green chemistry?
A. The process of using the least amount of atoms in a reaction
B. Designing chemical reactions to maximize the use of starting materials and minimize waste
C. Using only non-toxic elements in reactions
D. Ensuring all products of a reaction are reusable

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Correct Answer: B. Designing chemical reactions to maximize the use of starting materials and minimize waste

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3. What does the principle of "Design for Degradation" focus on?
A. Ensuring that products can be recycled
B. Ensuring that chemical products break down into harmless substances after use
C. Using only biodegradable materials in production
D. Minimizing the number of steps in a chemical reaction

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Correct Answer: B. Ensuring that chemical products break down into harmless substances after use

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1. Which industry has adopted green chemistry by replacing harmful solvents with green alternatives like supercritical CO2?
A. Textile Industry
B. Pharmaceutical Industry
C. Food Industry
D. Electronics Industry

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Correct Answer: B. Pharmaceutical Industry

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2. In green chemistry, what is a "green solvent"?
A. A solvent that is biodegradable and non-toxic
B. A solvent that is produced using natural sources like plants
C. A solvent that has high efficiency in dissolving chemicals
D. A solvent that is only used in water-based processes

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Correct Answer: A. A solvent that is biodegradable and non-toxic

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3. Which of the following is an example of a green catalyst in chemical reactions?
A. Platinum
B. Enzymes
C. Lead
D. Mercury

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Correct Answer: B. Enzymes

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1. Which of these everyday products can be made using green chemistry techniques?
A. Non-biodegradable plastic bags
B. Water-based paints
C. Teflon cookware
D. Gasoline

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Correct Answer: B. Water-based paints