I really appreciate your work sir . On section C question C1. part b I feel pressure only affects gases ….since the reactants we have Marble chips and hydrochloric I feel increasing concentration of the HCl and surface area of marble chips are the best answers ruling out pressure
Qb5(ii) because most of metals have shining appearance, hence it can affect the human eyes. Most of metals are sonorous; having the ability to make a ringing sound, hence it affects human hears. Thanks as I'm waiting for quick response.
Your Camara sir but thanks for your service
Thanks
I really appreciate your work sir . On section C
question C1. part b I feel pressure only affects gases ….since the reactants we have Marble chips and hydrochloric I feel increasing concentration of the HCl and surface area of marble chips are the best answers ruling out pressure
Q9. C
IT IS FINE
Qb5(ii) because most of metals have shining appearance, hence it can affect the human eyes.
Most of metals are sonorous; having the ability to make a ringing sound, hence it affects human hears. Thanks as I'm waiting for quick response.
I wish i found you sooner ❤
B5) ii) trace elements such as cupper, zinc, and iron can cause poisoning when consumed in excess
Wow, nice explanation sir. For Question 3, the best answer is D, looking at the arrows of the reversible reaction (⇌).
Thanks sir 😊