1		2		3			4
		5
						6											7
8				9															10
											11
							12
13
																	14
											15
							16
						17
		18
		19									20
	21

Across 3. A soluble base is known as an ___________ 6. the charge on a sulfate ion 12. A soluble base with the formula Na2O 13. What salt is made when hydrochloric acid reacts with calcium carbonate? 15. All __________________are INSOLUBLE except for potassium, sodium and ammonium ones. 17. What acid is needed to make calcium nitrate salt? 18. An insoluble base with the formula CuO 20. When making a salt by neutralizing an alkali via a titration an ___________ is used to know to show the point of neutralization. 21. If a salt dissolves in water it is described as ____________

Down 1. the charge on a nitrate ion 2. When preparing an insoluble salt we have to follow the steps: Mix, filter,_____ and the dry. 4. All potassium, sodium and ______________ salts are soluble 5. All sulfates are soluble except silver sulfate, calcium sulfate, lead sulfate and __________ _______ 7. If an insoluble base is used to make a salt the ___________ base needs to be filtered off once all the acid has reacted with it. 8. All chlorides are soluble except lead chloride and ______________ _________ 9. when 2 solutions mix and form a solid the solid is known as a _____________ 10. If a salt does not dissolve in water it is described as _________ 11. What acid is required to make sodium sulfate? 14. Soluble salts can be made from an acid with a metal base, metal __________ 16. All of this type of salt are considered soluble 19. When preparing an insoluble salt we must mix two solutions where each contains one of the ________ needed in the final salt.