10. When carrying out the experiment with magnesium
and sulphuric acid, why do you
add magnesium until it stops
fizzing?

2. how is heavy water different from normal water

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled