Carbon Compounds: Reactions, Combustion & Industrial Uses
Science · Grade 9 · Week 47 · 25 questions
Combustion is the chemical reaction between a fuel and oxygen that releases heat and light. Understanding fuels and combustion is key to energy production and environmental science.
What you'll practise
- Explain the process of combustion
- Identify types of fuels and their sources
- Describe renewable vs. non-renewable energy
- Understand the environmental impact of burning fuels
All 25 questions in this Carbon Compounds: Reactions, Combustion & Industrial Uses quiz
Grade 9 Science — Carbon Compounds: Reactions, Combustion & Industrial Uses: 25 practice questions with instant scoring and explanations.
- Combustion of methane (CH₄) produces:
- The equation for complete combustion of ethane is:
- Combustion of carbon compounds is:
- Oxidation of ethanol (C₂H₅OH) produces:
- Further oxidation of ethanal (C₂H₄O) produces:
- Addition reaction in alkenes involves:
- When ethene (C₂H₄) undergoes addition reaction with H₂ (hydrogenation), it produces:
- Substitution reactions in alkanes involve:
- When methane (CH₄) undergoes substitution with chlorine (Cl₂), one product is:
- Polymerization is:
- Polyethylene (polythene) is formed by polymerization of:
- Uses of ethanol include:
- Ethanoic acid (acetic acid) is primarily used in:
- Soap is made from:
- The structure of a soap molecule includes:
- Cleansing action of soap works because the soap molecule:
- Detergents differ from soaps in that they:
- Hard water contains:
- Soap is less effective in hard water because:
- Detergents work well in hard water because:
- Vegetable oils can be converted to fats (margarines) through:
- Cracking of crude oil produces:
- Natural rubber is primarily composed of:
- Synthetic polymers like PVC and PET are used in:
- Esters are formed from the reaction between:
Question 1 of 250 correct so far