Solved Chemistry MCQS
The total number of protons in 10 g of calcium carbonate is (N0= 6.023 x 1023)
2.0478 x 1024
4.0956 x 1024
1.5057 x 1024
3.0115 x 1024
The formula to calcium cyanamide is
Ca(CN)2
CaNCN
CaCHNH2
CaC2N
Hydrolytic conversion of sucrose into glucose and fructose is known as
Inversion
Inhibition
Induction
Insertion
The ratio of the ionization energy of H and Be3+is
1:16
1:09
1:01
1:03
In which of the following elements +1 oxidation state is more stable than +3
Al
ga
Ti
B
Inert pair effect plays an important role in case of
Tl
Al
F
Si
Which of the following is directly related to Qualitative analysis?
Calculation
Identification
Separation
Measurement
The principal constituent of pyrex glass
B
Zn
Cl
Pb
The disaccharide present in milk is
Cellobiose
Sucrose
Lactose
Maltose
For the carbylamine reaction we need hot alc. KOH and
A mono alkyl amine and trichlorom-ethane
Chloroform and Ag powder
Any amin and chloroform
A primary amine and chloroform
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