Answer:
A
Explanation:
this is because density is the mass per unit volume of an object
D only..
A is pure compound
B is mixture of compound and element
C is mixture of compounds
D is mixture of elements
Answer:
when an atom, typically a metal, loses an electron or electrons, and becomes a positive ion, or cation. Another atom, typically a non-metal, is able to acquire the electron(s) to become a negative ion, or anion.
Explanation:
Answer:
2341, last option is the correct choice.
Explanation:
Boiling points of the given compounds are given as:

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