Q. Which of the following chemicals are classified as Basic Chemicals?

1. Adhesive sealant
2. Plastics
3. Fertilizers
4. Petrochemicals

Select the correct option from the codes given below:
Answer: 2, 3 and 4 only
Notes: Basic chemicals include petrochemicals, fertilizers, inorganic chemicals, and other industrial chemicals. Plastics are a product of the petrochemical industry. Adhesive sealant is considered a specialty chemical, not a basic chemical. Therefore, only plastics, fertilizers, and petrochemicals (options 2, 3, and 4) are basic chemicals.