Please help. needs an explanation with it too.

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

What is important to study for nios grade 12 chemistry? i have only one month left.

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al