A pure substance<span> has a definite and constant composition. A pure substance can be either an element or a compound, but the composition of a pure substance doesn’t vary.</span> Ex: salt or sugar<span>
</span>Mixtures are physical combinations of pure substances that have no definite or constant composition — the composition of a mixture varies according to who prepares the mixture. Ex: sand mixed with salt
The oxygen atom has a partial negative charge and the Hydrogen atoms have a partial positive charge
It rises. it can steam before an after boiling point.
Answer:
256.66cm³is the capacity of the cone.
