Answer:
B. Sodium
Explanation:
The composition of sea water, smoke, and soft drinks are not consistent, and you can separate the parts that make up each. Sodium has a definite and consistent composition, so it is a pure substance.
The third is one: controlled burn
Answer:
the answer is 7 as i think.
Well, when 1-propanol is heated in the presence of an acid produces Cyclopropane and water. one example of this is when we heat propanol (CH3CH2CH2OH) with an acid like HCl. if we do the balancing like this: CH3CH2CH2OH + HCl -> CH3CH2CH2Cl + H2O we obtain the Cyclopropane and water.
Answer:
covalent bond, they are three