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1. explain how u would test the presence of oxygen and hydrogen gases

2. explain how u can get the most accurate reading in titration

3. why is scientific method important in chemistry? state your opinion

4. you are given a bucket of ice cubes, a little sugar, a measuring cylinder and a stopwatch.Plan a experiment to determine whetther sugar increases the melting rate of ice


Sagot :

Hi

sorry

i don’t know but maybe next time