Yes. Heating up the solvent gives the molecules more kinetic energy. The more rapid motion means that the solvent molecules collide with the solute with greater frequency and the collisions occur with more force. Both factors increase the rate at which the solute dissolves.
Answer:
A)by making it attain the octet state
B)Because both chlorine atoms haven't attained octet state
The answer you are looking for is the second option, "<span>Matter can be divided into two groups: pure substances and mixtures."
A pure substance can describe a pure element or chemically bonded elements. A pure substance cannot be broken down into further substances. An example of these would be Fe (iron) or O2 (oxygen).
A mixture is a structure made from physically combining different non-bonded substances. An example of a mixture is blood.
Both pure substances and mixtures are types of matter.</span>
Answer: There no chemical change, but there is a physical change.
Reason: When a substance dissolves in water, the substance retains its molecular identity and simply mixes throughout the water
Answer:
X ray
Explanation:
i m not sure about this answer hope it helps :)
