Everyday chemistry: acids bases salts fuels fertilizers and plastics. - One Line Questions

1. What is the pH range for acidic solutions? — Below 7
2. Which of the following acids is found in lemons and limes? — Citric acid
3. What are the products of a neutralization reaction? — Salt and Water
4. A solution with a pH of 7 is considered: — Neutral
5. What is the common name for Sodium Chloride? — Table salt
6. Plastics are generally: — Non-biodegradable
7. Which of the following is a characteristic of an acid? — Accepts protons (H+ ions)
8. What color change indicates the presence of starch when iodine solution is added? — Blue-black
9. Which element is commonly found in all fertilizers to promote plant growth? — Nitrogen
10. Which acid is responsible for the sour taste of curd or yogurt? — Lactic acid
11. Which fossil fuel is primarily composed of methane? — Natural Gas
12. Which of the following is NOT a fossil fuel? — Biogas
13. What are fossil fuels formed from? — Decomposed plant and animal remains
14. Vinegar is a dilute solution of which acid? — Acetic acid
15. What is the primary use of natural gas as a fuel? — Generating electricity and heating homes
16. Which of the following is a common example of a plastic? — Polyester
17. What is the primary characteristic that makes plastics useful in many applications? — Versatility and moldability
18. What is the primary advantage of using CNG (Compressed Natural Gas) as a fuel? — It causes less pollution than petrol or diesel.
19. Which substance is used to test for the presence of starch? — Iodine solution
20. Which of the following is a primary component of LPG (Liquefied Petroleum Gas)? — Propane and Butane
21. Which of the following is a major component of petroleum? — Hydrocarbons
22. What is the main component of 'Potash' fertilizer? — Potassium
23. Potassium fertilizers are important for which plant function? — Water regulation and disease resistance
24. The reaction between an acid and a base is called: — Neutralization
25. Which gas is produced when an acid reacts with a reactive metal like zinc? — Hydrogen
26. Burning of fossil fuels releases which greenhouse gas into the atmosphere? — Carbon Dioxide
27. Which indicator turns red in acidic solutions and blue in basic solutions? — Litmus
28. Which nutrient is crucial for leaf development and chlorophyll formation in plants? — Nitrogen
29. Which plastic is known for its rigidity and is often used in pipes and window frames? — Polyvinyl Chloride (PVC)
30. What does the 'PET' in PET bottles stand for? — Polyethylene Terephthalate
31. What is the process of converting large molecules into smaller ones by breaking chemical bonds, often used in refining petroleum? — Cracking
32. Which type of plastic is commonly used for making disposable cups and containers? — Polystyrene
33. Which of the following is a natural polymer? — Cellulose
34. Which type of plastic is commonly used for making plastic bags and films? — Polyethylene
35. Which of the following is a synthetic fertilizer that provides nitrogen? — Urea
36. What is the main ingredient in 'washing soda' (Sodium Carbonate)? — Sodium carbonate decahydrate
37. What is the chemical name for baking soda? — Sodium bicarbonate
38. Which salt is commonly used as an antacid to neutralize excess stomach acid? — Magnesium Hydroxide (Mg(OH)2)
39. Which base is commonly found in soaps and detergents? — Sodium Hydroxide (NaOH)
40. The reaction of sodium hydroxide with hydrochloric acid produces: — Sodium chloride and water
41. Excessive use of fertilizers can lead to: — Water pollution (eutrophication)
42. Which of the following is a non-renewable source of energy? — Coal
43. Which of these is a characteristic property of a base? — Turns red litmus blue
44. Which of the following is a characteristic of a base? — Corrosive
45. What is the main environmental concern associated with plastics? — Their non-biodegradability leads to pollution.
46. Which of the following is a common characteristic of acids? — They react with metals to produce hydrogen gas.
47. Bases typically exhibit which of the following properties? — They react with acids to form salts and water.
48. What is the main purpose of fertilizers in agriculture? — To provide essential nutrients to plants
49. Which fertilizer provides phosphorus to plants, essential for root development and flowering? — Superphosphate
50. When baking soda is heated, it produces carbon dioxide, which makes cakes and bread fluffy. This is an example of a decomposition reaction. What else is produced? — Water and sodium carbonate
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