Hmmmm i understand but i wanna know what to measure or whats about?
Answer:
CH3COCH3
Explanation:
Acetone is an organic compound belonging to the organic ketone function.
To recognize which function a compound belongs to, we must analyze its functional group. For example, hydroxyl (OH) is characteristic of alcohols. For ketones, the functional group is carbonyl, which is represented below.
Analyzing the options, we can notice that NH3, HNO3, KClO2 and H3PO3 are inorganic compunds, because they don't have carbon in their structures. KOH has the hydroxyl, so it's a alchol, and CH3COCH3 may be writing as a ketone.
A is the correct answer cells between organelles and tissues
Answer : Option B) <span>The oxygen in the air forms ozone in presence of UV rays
Explanation : The other given options for the chemical change seems to be irrelevant as the option A which converts water into different forms can be called as physical change, option C only dust and soot particle are released in air where no new substance is formed And in option D sulfur dioxide is getting released into air which is also a form of a physical process.
So in option B we can see a new compound getting formed which is ozone in presence of UV rays hence it is a chemical change.</span>