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Chapter 7ACIDS AND BASES,[object Object]
What is acid?,[object Object],[object Object],What is base?,[object Object],[object Object],    form only salt and water,[object Object],What is alkali?,[object Object],[object Object],[object Object]
 pH less than 7
 Corrosive
 Conduct electricity
Acid can react with     a) bases to produce salts and water,[object Object],     b) metals to produce salts and hydrogen gas,[object Object],     c) carbonates to produce salts , carbon      dioxide gas and water,[object Object]
Chemical properties of base,[object Object],[object Object]
 pH more than 7
 Corrosive
 Conduct electricity
Base can react with  a)Acid to produce a salt and water,[object Object],  b)Heated with ammonium salt to produce ammonia gas,[object Object],video  ,[object Object]
Uses of acids in daily life,[object Object],[object Object]
Carbonic acid- make carbonated drinks
Ethanoic acid- vinegarUses of base in daily life,[object Object],[object Object]
Magnesium hydroxide – toothpaste
Ammonia- fertilisers,[object Object]

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