Other questions and answers in March 2021 — Page 2

Hi I want to make sure my answer is correct :) Would you like to check any mistakes ? In first question, Im confusing with ans b or d as i know sodium hydroxide is colorless and copper(II) nitrate is ...

For each of the following reactions: i) find the oxidation state of each elemtne on the reactants and products ii) identify the element being reduced and oxidized iii) state which substance is the oxi...

Where would you categorize Vasco Da Gama? Explorer, Conqueror, or Both? Watch the video and explain your answer in one paragraph

Hi I want to make sure my answer is correct :) Would you like to check any mistakes ? And as far as i know , formal charge of S05 is -2 and does it correct ? Thanks in adavance and have a nice day ! C...