your answer will be March 3
Because despite being natural they still harm the ozone layer and cause breathing problems, even suffocation.
The answer is the first option (a)
Answer:
Almost everything in our surroundings represent chemical change
Explanation:
●Rusting of iron in presence of moisture and oxygen.
●Burning of wood.
●Milk becoming curd.
●Formation of caramel from sugar by heating.
●Baking of cookies and cakes.
●Cooking any food.
●Acid-base reaction.
●Digestion of food.
Answer:
The molecular weight of the unknown gas is 16.1 g/mol.