All neutralization reactions have the same ionic equations?
Because the properties of acid and base disappear when they react together
Because all neutralization reactions produce liquid water molecule
A / B
Because in neutralization reactions,water isn't found in form of ions but in the form of molecules
Other
Please Specify :
The unit of quantity that contains a molar mass of substance
Molar mass
Molecular mass
The mole
No correct answer
It is the amount of a substance that contains Avogadro's number of particles.
Avogadro's number
Molar mass
The mole
No correct answer
Dissociation of some ionic compounds into ions when they are:
Melted
Dissolved in water
A / B
Precipitated
Ionic equation used to express:
Some physical process
Some chemical process
A /B
Some biological process
Calculat the empirical formula of a compound containing 25.9%nitrogen and oxygen 74.1% [N=14, O=16]
N₂O₅
N₃O₆
N₄O₅
N₆O₃
Calculate number of molecules a pill of vitamin{c}[C₈H₈O₆] it's mass is 1.76gm.
[C=12, O=6, H=1]
6.02×10²¹
12.02×10²²
16.02×10²²
No correct answer
Find the remaining volume of 60 liters of hydrogen gas that react with 20 liters of oxygen giving water
25 liters
20 liters
32 liters
17 liters
The molecular formula of hydro carbon compound which has an empirical formula C₂H₃ and it's molecular mass 81 ,is......
C₄H₆
C₂H₈
C₅H₁₀
C₆H₉
The empirical formula of C₄H₈O₂ is ........
C₄H₄O₂
C₂H₄O
C₂H₈O₂
C₄H₈O
0
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