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- Multiple ChoicePlease save your changes before editing any questions.
What is the Turkish common name of H2SO4 ?
Zaç Yağı
Tuz Ruhu
Asetik Asit
Kezzap
- Multiple ChoicePlease save your changes before editing any questions.
What is the Turkish common name of HCl ?
Zaç Yağı
Tuz ruhu
Karınca Asidi
Kezzap
- Multiple ChoicePlease save your changes before editing any questions.
What is the Turkish common name of HCOOH (formic acid) ?
Zaç Yağı
Tuz Ruhu
Karınca Asidi
Kezzap
- Multiple ChoicePlease save your changes before editing any questions.
The formula of the acid known as "kezzap" in Turkish is .........
HBr
H2SO4
HNO3
HF
- Multiple ChoicePlease save your changes before editing any questions.
The bases NaOH and KOH are known as in Turkish ................. and ............... respectively.
magnezya sütü - sönmüş kireç
sönmüş kireç - sönmemiş kireç
südkostik - potaskostik
- Multiple ChoicePlease save your changes before editing any questions.
The substance CaO (quicklime) is obtained by decomposing CaCO3 using extremely high temperature.
CaCO3(s) CaO (s)+ CO2 (g)
The process is called as calcinacion. The Turkish common name of CaO is .....................Sönmüş Kireç
Sönmemiş Kireç
- Multiple ChoicePlease save your changes before editing any questions.
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)
CaO
Ca(OH)2
- Multiple ChoicePlease save your changes before editing any questions.
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 ?
Liquid detergents
Hard soaps
Vinegar
- Multiple ChoicePlease save your changes before editing any questions.
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 ..................
Dehydrating agent
Hydrating agent
- Multiple ChoicePlease save your changes before editing any questions.
Which acids given below are used in artificial fertilizer production ?
(Hint: they are oxoacids)
HCl, HBr, HF
H2SO4 , HNO3 , H3PO4
- Multiple ChoicePlease save your changes before editing any questions.
Which is used found in grape ?
Tartaric Acid
Citric Acid
Acetic Acid
- Multiple ChoicePlease save your changes before editing any questions.
Which acid is found in lemon ?
Tartaric acid
Citric Acid
Acetic Acid
- Multiple ChoicePlease save your changes before editing any questions.
Which acid is found in carbonated beverages other than H2CO3 ?
HCl (hydrochloric acid)
HNO3 (nitric acid)
H3PO4 (phosphoric acid)
- Multiple ChoicePlease save your changes before editing any questions.
Which acid has a corrosive effect on glass surfaces ?
(Hint : In this acid, hydrogen atom is bonded to the most reactive nonmetal.)
HF
HCl
HI
- Multiple ChoicePlease save your changes before editing any questions.
Which acid is used in aspirin production ?
(Hint : This acid is found in vinegar)
HCOOH
CH3COOH
- Multiple ChoicePlease save your changes before editing any questions.
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 :)) )
Boric Acid
sulfuric acid
nitric acid
- Fill in the BlankPlease save your changes before editing any questions.
Ammonia is used in artificial fertilizers, cleaning substances and explosive materials.
Write the formula of ammonia below.
- Multiple ChoicePlease save your changes before editing any questions.
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 ?
H2SO3 and HNO3
H2SO4 and HNO4
HSO4 and HNO2
- Multiple ChoicePlease save your changes before editing any questions.
Which gas is produced when HCl and NaClO (bleach) are mixed ?
Hint: The resulting gas is a toxic gas.
Cl2
Na
H2
O2
- Multiple ChoicePlease save your changes before editing any questions.
Which salt is used to protect meals from the butilinum bacteria ?
Hint: This salt contains a cation of group 1A metal.
NaNO3
MgNO3