Question

please answer my questions this questions is for class 7
student who study in Army school this question is from science lab manual​

Answer 1

Litmus paper

Explanation:

because litmus paper is kind of paper if boils it, it will. be converted into acid

Answer 2

Answer:

Experiment-1 Action of saliva onfood item because when eat food be focused on ur food n eat automatic ur saliva will be come out .

Explanation:

i hope this is helpful to u to understand the experiment of saliva on food item.