a. 4. Which of the following correctly provides the names and formulas of polyatomic ions? carbonate: HCO, bicarbonate: CO,? b, nitrite: NO ; nitrate: NO, c. sulfite: S4, sulfate: SO, d. chromate: Cro, ?, dichromate: Cr,0,2 Mitton ?

explanation:

venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things.

here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.