Topic: This set
covers the chemical properties of carbon compounds including combustion,
oxidation reactions, fossil fuels, and the environmental impact of burning
fuels. Questions focus on understanding complete and incomplete combustion,
flame characteristics, and the formation of pollutants.
⏳ Time Left: 20:00
Progress: 0%
📘 SCIENCE
CHEMISTRY | CARBON AND ITS COMPOUNDS-E
📝 Questions: 50
⏱️ Timer: 20 min
Q1. The combustion of carbon produces:
Q2. A carbon compound with a double bond is called:
Q3. Unsaturated hydrocarbons generally burn with:
Q4. Bromopentane contains which heteroatom?
Q5. Incomplete combustion results in the formation of:
Q6. A blue flame is obtained when fuel burns in:
Q7. The combustion of fuels mainly produces:
Q8. A carbon compound with a triple bond is called:
Q9. Petroleum is called a fossil fuel because it is formed from:
Q10. Petroleum and natural gas were formed from:
Q11. A yellow flame indicates:
Q12. A flame is produced only when:
Q13. Oil and gas get trapped in rocks because rocks are:
Q14. Oxides of sulphur and nitrogen are:
Q15. Coal and petroleum were formed from:
Q16. The combustion of methane is an example of:
Q17. Fuels used by us are mainly:
Q18. Oxidation of an alcohol involves:
Q19. Potassium permanganate is used as:
Q20. The black deposit on a metal plate is due to:
Q21. Blocking the air holes of a stove results in:
Q22. Incomplete combustion wastes fuel because:
Q23. Hexanal belongs to which functional group?
Q24. A luminous flame is produced when:
Q25. Ethanol burns to form:
Q26. The initial flame in burning wood is due to:
Q27. Bacteria played a role in the formation of petroleum by:
Q28. Fossil fuels are non-renewable because:
Q29. The number of structural isomers possible for pentane is:
Q30. Coal sometimes burns without a flame because:
Q31. Oxides of sulphur and nitrogen are formed by burning fuels containing:
Q32. Cyclopentane is a:
Q33. Blackening of cooking vessels indicates:
Q34. Cyclopentane contains how many carbon atoms?
Q35. Structural isomers are possible for bromopentane because:
Q36. A blue flame indicates:
Q37. Coal formation involved:
Q38. Oil and gas were formed under:
Q39. Heating a copper wire in a flame gives a characteristic colour because:
Q40. The combustion of carbon compounds always requires:
Q41. Ethanoic acid belongs to which functional group?
Q42. Two properties of carbon responsible for a large number of compounds are:
Q43. Saturated hydrocarbons generally burn with:
Q44. Coal is formed mainly from the remains of:
Q45. Combustion is a type of:
Q46. The yellow colour of a candle flame is due to:
Q47. Ethanol is oxidised to form:
Q48. Combustion reactions release:
Q49. The product formed when ethanol reacts with sodium metal is:
Q50. The reaction of ethanol with sodium is an example of:
0 Comments