Exothermic reaction include/s _______?Photosynthesis B) Decomposition of calcium carbonate C) Combustion of methane D) Electrolysis of water
ایگزوتھرمک ردعمل میں کیا شامل ہیں؟
- Photosynthesis
- Decomposition of calcium carbonate
- Combustion of methane
- Electrolysis of water
Explanation
"Combustion of methane" is an example of an exothermic reaction.
Photosynthesis:
This is an endothermic reaction, meaning it absorbs energy from sunlight to produce glucose.
Decomposition of calcium carbonate:
This is also an endothermic reaction, as it requires energy to break down calcium carbonate into calcium oxide and carbon dioxide.
Electrolysis of water:
This is an endothermic reaction where electricity is used to split water into hydrogen and oxygen.
Related MCQs
- Temporary water connections
- Underground and permanent water-supply lines
- High-temperature steam lines
- Drainage of rainwater only
اس سوال کو وضاحت کے ساتھ پڑھیں
- 10–20 minutes
- 30–60 minutes
- 2–4 hours
- 12–24 hours
اس سوال کو وضاحت کے ساتھ پڑھیں
- Vertical drop fall
- Glacis fall
- Montague type fall
- Inglis fall
اس سوال کو وضاحت کے ساتھ پڑھیں
آکسیجن زیادہ تر عناصر کے ساتھ عمل کرکے دو عنصری مرکبات بناتی ہے جنہیں کیا کہتے ہیں؟
- Bases
- Oxides
- Acids
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
پانی اور کاربن ڈائی آکسائڈ کے سالمے مل کر کیا بناتے ہیں؟
- Nitric acid
- Carbonic acid
- Sulfuric acid
- None of these