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Date: September 21, 2025
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42 thoughts on “2025 GCE ECZ SCIENCE P2 (CHEMISTRY )FULLY ANSWERED.”
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Thanks sir🎉🎉🎉
𝙰9
𝙸𝚜 𝙰
Thanks sir but question 9 y u haven't give us the answer
Rate of reaction= total volume/Total time
= 50cm³/40s
=1.25cm³/s
sir we use the total time 40s that that's the time the maximum volume was obtained.
Sir on question 4 I think it’s fe3O2
u are a good teacher sir
Elements such as lead, when consumed in large quantities, causes brain damage….I need a confirmation from someone if it is correct😅 I'm writing science p2 on Monday
Metals are like a double-edged sword, yaani. While they're super
Q5b(ii)
See, metals like lead, mercury, and arsenic can be toxic even at low levels. When we ingest or inhale them, they can mess with our body's systems, like our nervous, reproductive, and digestive systems. For example, lead can damage brain development in kids, while mercury can harm our nervous system and brain function 🧠.
Some metals, like cadmium and chromium, are carcinogenic, meaning they can cause cancer. Others, like copper and zinc, are actually essential for our bodies in small amounts, but can be toxic at high levels.
Sir revisit question B9 on the rate of reaction , the total time shouldn't be 40?
In the preparation of silver chloride, there is a certain stage were one uses acidified nitric acid. Why is it used