When the substance CaO is reacted with water, the compounds (slaked lime) is produced. The Turkish common name of slaked lime is "sönmüş kireç" and its formula is ......................

(Hint : it contains (-1) charged ion)

Acids are corrosive on marble surfaces. Marble is composed of mainly CaCO₃ (which is basic substance) and acids can react with it.

Which one of the following substances should be used carefully on marble surfaces ?

In the image above, few drops of sulfuric acid (H₂SO₄) is added on sugar. It is observed the sugar gets black color. It happens because sulfuric acid removes water from the sugar leaving pure carbon atoms behind.

As H₂SO₄ reacts with water easily, it is called as ..................

Which acids given below are used in artificial fertilizer production ?

(Hint: they are oxoacids)

Which is used found in grape ?

Which acid is found in lemon ?

Which acid is found in carbonated beverages other than H₂CO₃ ?

Which acid has a corrosive effect on glass surfaces ?

(Hint : In this acid, hydrogen atom is bonded to the most reactive nonmetal.)

Which acid is used in aspirin production ?

(Hint : This acid is found in vinegar)

Which acid is used in antiseptics used for eyes ?

(Hint : This acid contains an element which is deposited commonly in the mines in our country :)) )

Ammonia is used in artificial fertilizers, cleaning substances and explosive materials.

Write the formula of ammonia below.

Acids rains are formed as a result of the reactions of SO₂ and NO₂ gases with water molecules in the atmosphere.

SO₂ (g) + H₂O (l) --> _______________ (1)

NO₂ (g) + H₂O (l) --> _______________ (2)

Which acids are formed in the 1st and 2nd reactions respectively ?

Which gas is produced when HCl and NaClO (bleach) are mixed ?

Hint: The resulting gas is a toxic gas.

Which salt is used to protect meals from the butilinum bacteria ?

Hint: This salt contains a cation of group 1A metal.