Free Test Green chemistry basics – NEET

Q1: Which principle of green chemistry emphasizes the use of safer solvents and auxiliaries?

A. Design for energy efficiency B. Use of renewable feedstocks C. Safer solvents and auxiliaries D. Real-time analysis for pollution prevention

Q2: Green chemistry aims to:

A. Reduce the use and generation of hazardous substances B. Increase chemical waste C. Ignore environmental impact D. Maximize use of fossil fuels

Q3: Which of the following is not a principle of green chemistry?

A. Atom economy B. Use of catalysts C. Waste production maximization D. Use of renewable feedstocks

Q4: The use of enzymes in industrial processes is an example of:

A. High energy usage B. Toxic catalysis C. Benign catalysis D. Radioactive reactions

Q5: Which green chemistry principle focuses on minimizing the number of steps in synthesis?

A. Prevention B. Design for energy efficiency C. Atom economy D. Use of safer chemicals

Q6: Which of the following is a green solvent?

A. Benzene B. Water C. Chloroform D. Carbon tetrachloride

Q7: Green chemistry promotes the use of:

A. Persistent organic pollutants B. Heavy metals C. Renewable feedstocks D. Radioactive isotopes

Q8: What is the goal of green chemistry?

A. Generate more chemical waste B. Design products without regard to toxicity C. Design safer chemicals and processes D. Maximize emissions

Q9: Which industry benefits the most from green chemistry?

A. Chemical B. Agriculture C. Construction D. Fashion

Q10: Which of the following is aligned with green chemistry?

A. Using large amounts of solvents B. Generating excess byproducts C. Designing biodegradable products D. Using toxic reagents

Q11: Designing energy-efficient processes refers to which principle?

A. Catalysis B. Atom economy C. Energy efficiency D. Prevention

Q12: Which of these violates green chemistry principles?

A. Recycling solvents B. Using lead-based reagents C. Using water as solvent D. Biodegradable packaging

Q13: Which of the following ensures minimal waste formation?

A. Maximized steps B. Atom economy C. Toxic catalysts D. Non-renewable inputs

Q14: Real-time monitoring of processes helps to:

A. Increase hazards B. Detect problems early C. Use more energy D. Produce more waste

Q15: Green chemistry principle encourages the use of catalysts because:

A. They are toxic B. They slow reactions C. They increase yield with less waste D. They are expensive

Q16: Which chemical process is greener?

A. Use of toxic solvents B. Multistep synthesis C. Microwave-assisted reactions D. Excessive heating

Q17: Which reaction condition is considered green?

A. High temperature and pressure B. Use of mercury catalyst C. Room temperature reaction D. Use of benzene solvent

Q18: Designing for degradation ensures products:

A. Persist forever B. Accumulate in nature C. Break down safely D. Are toxic to organisms

Q19: One-pot synthesis methods are preferred because they:

A. Use more reagents B. Cause more waste C. Reduce steps and waste D. Are complex

Q20: Which is an example of renewable feedstock?

A. Petroleum B. Natural gas C. Starch D. Coal

Quiz for Green chemistry basics