Alpha (α) particles are helium (He) nucleus with a charge of __________ ?
A. e
B. 2e
C. 3e
D. 4e
Chemistry Mcqs
Treatment of sucrose with conc. HNO3 gives__________?
Treatment of sucrose with conc. HNO3 gives__________?
A. Nitrosucrose
B. Glucose+ fructose
C. Oxalic acid
D. Laevulinic acid
The systematic name of sucrose is_______?
The systematic name of sucrose is_______?
A. 1-α-D- glucopyranosyl-2-β-D-fructopyranoside
B. 11-α-D-glucopyranosyl-2-β-D-fructofuranoside
C. 1-α-D- glucofuranosyl-2-α-D- fructopyranoside
D. 1-β- D- glucofuranosyl-2-α- D- fructofuranoside
How many isomeric aldoses are possible for the molecular formula C6H12O6?
How many isomeric aldoses are possible for the molecular formula C6H12O6?
A. 2
B. 4
C. 7
D.16
The IUPAC name of pyridines is__________?
The IUPAC name of pyridines is__________?
A. Azolo
B. Azine
C. Azolidins
D. Diazine
The hybridization of nitrogen atom in pyridine is_______?
The hybridization of nitrogen atom in pyridine is_______?
A. Sp
B. Sp2
C. Sp3
D. It is not hybridized
Following are the anions of soap which form Ca and Mg ions which we see as curd in water
Following are the anions of soap which form Ca and Mg ions which we see as curd in waterA. Sodium hexadecanoate
B. Sodium octadecanoate
C. Sodium pentadecanoate
D. Both A & B
B. Sodium octadecanoate
C. Sodium pentadecanoate
D. Both A & B
Which of the following compounds is not soluble in HNO3___?
Which of the following compounds is not soluble in HNO3___?
A. CuS
B. CdS
C. PbS
D. AgCl
The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?
The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?
A. 0.065gm
B. 0.65gm
C. 6.5gm
D. 7.5gm
The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?
The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?
A. 0.12g
B. 0.16g
C. 0.18g
D. 0.24g