Answer: i would say D or the last one.
Explanation: According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants. The law of conservation of mass is useful for a number of calculations and can be used to solve for unknown masses, such the amount of gas consumed or produced during a reaction.
Hope this helps :) Can u plz mark me branliest
C. a change of state. It can be a physical or a chemical state of change.
<span>A substance that can be separated into two or more substances only by a chemical change is </span><span>known as a </span><span>heterogeneous</span><span> mixture</span>
Answer:
group two elements are called alkaline earth metals
Explanation:
Because their oxides form in the earth and are water soluble
Impurities of brine solution
- calcium chloride
- calcium sulphate
- magnesium chloride
- sodium sulphate
Characteristics of halides of beryllium
- covalent bond
- does not conduct electricity
- In organic solvents, it is soluble.
